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How do you make a long-haul diesel truck emit 50% less CO2 without changing a single thing about it? Sounds like a riddle, right? A new pilot solution embraced by BMW Group Logistik and supplied by partner firm Trailer Dynamics here in Germany, though, can do just that. I spoke with Mo Koellner from BMW and Michael Nimtsch from Trailer Dynamics about this tech on a call earlier in the week.

As to the answer to the above riddle: This is a semi-truck trailer that has a massive battery pack (up to 600 kWh) installed in its floor, and that battery powers an electrically driven axle underneath the trailer. The solution isn’t conceptually novel; e-trailers, or electrified trailers, have been on the market in various forms for a number of years now (though the technology is still in a relative stage of infancy). The basic principle is simple, too. By adding a battery-electric driven power source to a diesel tractor-trailer, you reduce the fuel consumption of the diesel portion of the system. In other words, you’ve created a plug-in hybrid-electric big rig. Pretty straightforward, yeah?

What makes Trailer Dynamics’ solution cool is just how “plug and play” it is. In fact, the company says that its electric trailers can work with any truck they are physically capable of hitching to. No trailer-to-truck connection is utilized; the e-trailer operates totally independently. Trailer Dynamics says this makes its product unique* in the space, as most other e-trailer solutions require active communication with the connected truck to enable the electric-assisted drive. BMW is currently testing TD’s solution on its BMW Group Logistik fleet. (*US-based Range Energy also claims to work with basically any truck, and their solution seems quite similar to Trailer Dynamics. We covered them back in May. The biggest distinction I’ve seen is that Trailer Dynamics offers far larger batteries and is designed for use with European tractor-trailer configurations. BMW’s fuel consumption figures also seem to indicate TD’s solution may be more efficient, but it’s hard to know how apples-to-apples these numbers are given the pack size differences.)

The way TD achieves this is down to a proprietary sensor pack that lives in the kingpin of the trailer. There, a computer control model takes input from the sensors (used to monitor various forces on the kingpin) and converts that data into a decision about when and how much power to apply to the electric motors in the axle. The logic of the system takes into account the sort of things you’d expect. For example, if the trailer knows the truck is currently stopped and is beginning a start — when large trucks tend to make use of their fuel most inefficiently — it will apply very substantial power to get the truck rolling. The result is a huge reduction in the amount of diesel used. Similarly, if the system detects the truck is going uphill, electric assist will be applied generously to minimize the effects of an otherwise high fuel consumption situation. According to TD’s website, factors like weather conditions, route topography, and traffic can also be considered, though it was less clear to me how these play in to when the trailer applies power. The system can also be configured to disable itself if the battery capacity reaches a predefined cutoff point (important, as fleet operators ideally want a minimum level of charge guaranteed at any moment).

The system itself is, by the standards of passenger electric vehicles, some very heavy-duty stuff. Battery packs of either 400 kWh or 600 kWh are employed (a 200 kWh unit is coming later), with the 600 kWh configuration being the most desirable among TD’s prospective customers. That’s because the economics of efficiency apparently pay off best for longer routes, where a larger battery is going to be necessary. The electric motor unit outputs up to 580 kW (777 hp), which is impressive, but it’s the insane 13,000 nm of torque that’s doing the heavy lifting (literally). Charging is also pretty damn quick, with the 800V architecture supporting 44 kW AC and up to 350 kW DC fast charging. The supersized figures here make sense when you consider the weights at play — BMW is testing TD’s trailers with a payload of 16 metric tonnes, or over 35,000 pounds. (Specifically, BMW has been using them to haul electric drive units for its passenger cars.)

As for the end efficiency, BMW is seeing fuel consumption lowered by nearly 50% on some of the long-haul routes it’s testing, meaning emissions on those routes are cut in half. Even on shorter routes, the figure is in excess of 45% fuel savings. Because BMW is using 100% carbon-neutral sources to recharge the trailer batteries, it estimates that each e-trailer could cut up to 120 tonnes of CO2 emissions from its fleet each year. For comparison, assuming a “typical” ICE car emits around 5 tonnes of CO2 annually, each trailer optimally utilized is like taking 60 cars off the road. All that is to say: It’s hard to overstate how much fuel a real big truck uses.

BMW has also been testing TD’s trailers with electric trucks, where the system effectively acts as a range extender. Depending on the specific truck, payload, and route, BMW says the range of an electric truck could be extended by a factor of 2-3x, opening up entirely new scenarios for the use of BEV tractor units. In one test, BMW used an unspecified Volvo e-truck in combination with a TD mega trailer to go over 600 km (373 miles) without recharging.

In a perfect world, diesel trucks would be replaced with electric ones wholesale. But in reality, the design principle of trucks as long-life assets means that ICE trucking will stick around a fair bit longer than combustion passenger cars. If we can reach a point where e-trailer systems like Trailer Dynamics’ are minimizing trucking fuel consumption at scale, though, we can still have a real net-positive impact on emissions while that transition occurs. And because this kind of system benefits both ICE and EV tractors (arguably, the latter even more so), this is a scenario where the hybrid step-transition makes much more sense. There’s nothing redundant being engineered here for the sake of ICE trucks; these trailers will retain their usefulness in the age of BEV trucking.

For BMW, the EV trucking side of the equation has an added bonus — the low-liner “mega trailer” configuration it uses for a large amount of its transport fleet greatly limits the range of available EV truck options. Using TD’s mega trailer solution as a range extender is thus an excellent way to work around that challenge. (Mega trailers are a high-capacity trailer class specifically developed for use in the EU, where they remain extremely popular. These space-maximized trailers require a particular class of truck chassis with a very low deck floor for towing, and that leaves very little room for a battery.)

As for the challenges of stuffing a massive battery in the bottom of an already super-heavy-laden trailer? They’re not nonexistent. According to BMW, TD’s solutions are best for shipping in “cubed out” configurations — that is, utilizing the maximum volume of a container, not its maximum weight. And sure, the battery cannibalizes some of the available space for cargo. But, over time and with the evolution and refinement of the system (weight reduction is one of TD’s immediate goals), greater and greater payloads will become feasible. Human behavior is another big factor to consider. Suppose a tractor operator is still driving like a leadfoot. In that case, it’s possible to mitigate a fair bit of the system’s fuel savings (BMW saw fuel consumption variability of up to 20% during testing based on driver). On the economics, BMW believes that e-trailers will significantly lower fleet operating costs, offsetting initially higher acquisition costs for the equipment.

Down the road, TD suggests it could also start using its tech to assist in the on-road safety of tractor-trailers, applying power or engine braking force for stability management (for example, if a truck is in danger of jackknifing). Right now, the company is just getting started, and currently has seven trailers in operation (an eighth was just delivered).

While cleaning up our passenger cars will have a real effect on global CO2 emissions, the impact of trucking transport is something we should all be considering, too. According to data from the IEA, road freight accounts for 30% of all global transportation emissions, making it the second-largest contributor behind passenger vehicles — and by a wide margin. (For comparison, all air and sea transit contribute just above 10% of global emissions each. Rail sits at a measly 1%.)

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Honda now has an electric Ruckus. Will they bring it to the US?

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Honda now has an electric Ruckus. Will they bring it to the US?

The Honda Ruckus has earned cult status thanks to its minimalist styling, exposed frame, and seemingly endless customizability. The scooter, also known in international markets as the Honda Zoomer, has spent years being seen as a blank canvas for scooter tuners, urban commuters, and anyone who just wanted something simple, small, and kind of weird to zip around town. A few years ago, Honda finally answered the call for an updated version by announcing and producing the “Zoomer e:”, which was an electric version of the Honda Ruckus. So where is it?

When Honda launched the all-electric version of the Ruckus, the Zoomer e:, back in 2023, many fans hoped it was only a matter of time before we saw it quietly glide onto U.S. streets.

But two years later, there’s still no sign of a stateside release, and no indication that Honda plans to change that anytime soon.

The Zoomer e: was first introduced in China in early 2023 alongside two other retro-inspired electrics: the Cub e: and Dax e:.

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The Zoomer e: keeps the stripped-down, industrial look of the classic gas-powered Ruckus, but swaps the 49cc engine for a 400W rear hub motor and a 48V 24Ah battery (around 1.15 kWh).

It was originally given a top speed of a mere 25 km/h (15.5 mph) to keep it street legal as an electric bicycle in its first market of China, where it also came with functional but stubby pedals so riders could pretend it was actually pedalable.

The first version of the electric scooter claimed a range of up to 80–90 km (50–56 miles) from its removable lithium-ion battery, depending on conditions.

An advertisement for a Honda Zoomer e: in the Philippines via Facebook

We’ve since seen the performance bumped up to 40 km/h (25 mph) top speeds when the scooter was introduced into the Philippines market, where the local L1B classification allowed for higher speeds. It’s fairly obvious that the performance can be software-tweaked by Honda depending on the market, though likely to a limit. To achieve speeds much higher than 25 mph, a motor and controller swap may be required, though neither would be complicated.

In other words, the electric Ruckus’ debut revealed an ultra-lightweight, street-legal runabout designed for countries with expansive low-speed e-bike laws. But in the U.S., these types of quasi-e-bikes that are actually scooters are few and far between. The same performance can be had from a $1,000 electric bicycle, and in fact, Class 3 e-bikes in the US can go nearly twice as fast as the original electric Ruckus.

So Honda obviously hasn’t been in a rush to bring its low-spec version of the bike to the US market, where it would be a slower and heavier competitor to the wide range of cheap imported electric bicycles. However, its iconic design and cultural legacy have kept enthusiasm up for riders who have managed to privately import their own models. One Redditor appears to have imported two Honda Zoomer e: models in parts to assemble in the US, while someone else posted a YouTube video of his completely assembled Honda Dax e: model that was launched along the Zoomer e:.

Despite clear consumer interest and a growing market for low-speed electric vehicles, as well as Honda’s own proven interest in growing its electric scooter market, the company hasn’t made any moves to release the Zoomer e: in the US. That’s not surprising since America still lacks a robust electric scooter culture (or even a gasoline scooter culture, for that matter), and anything motorcycle-shaped that doesn’t hit 30+ mph tends to get passed over by mainstream buyers.

But perhaps that could change one day. Technically, bringing the Zoomer e: to the US wouldn’t be a monumental task for Honda. The U.S. is a self-certify country, meaning Honda could design a version that meets federal vehicle safety standards, beef up the motor and controller for higher speeds, and sell it as either a Class 2/3 e-bike, or perhaps more appropriately, as a low-speed motorcycle with a top speed in the 35-45 mph range (55-70 km/h).

With the rise of micromobility, electrification, and growing frustration with car-centric cities, now might actually be the perfect time for a reborn electric Ruckus to hit US roads. But until Honda decides to take that step, American riders will have to keep dreaming – or start importing.

A private import of a Honda Zoomer e: to the US

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BMW ups the ante with the fastest, most powerful electric maxi-scooter

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BMW ups the ante with the fastest, most powerful electric maxi-scooter

BMW Motorrad’s futuristic electric scooter just got its first real refresh since beginning production in 2021. The BMW CE 04, already one of the most capable and stylish electric maxi-scooters on the market, now gets a set of upgraded trim options, new aesthetic touches, and a more robust list of features that aim to make this urban commuter even more appealing to riders looking for serious electric performance on two wheels.

The BMW CE 04 has always stood out for its sci-fi styling and high-performance drivetrain. It’s built on a mid-mounted liquid-cooled motor that puts out 31 kW (42 hp) and 62 Nm of torque. That’s enough to rocket the scooter from 0 to 50 km/h (31 mph) in just 2.6 seconds – quite fast for anything with a step-through frame.

The top speed is electronically limited to 120 km/h (75 mph), making it perfectly capable for city riding and fast enough to hold its own on highway stretches. Range is rated at 130 km (81 miles) on the WMTC cycle, thanks to the 8.9 kWh battery pack tucked low in the frame.

But while the core performance hasn’t changed, BMW’s 2025 update focuses on refining the package and giving riders more options to tailor the scooter to their taste. The new CE 04 is available in three trims: Basic, Avantgarde, and Exclusive.

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The Basic trim keeps things clean and classic with a Lightwhite paint scheme and a clear windshield. It’s subtle, sleek, and very much in line with the CE 04’s clean-lined aesthetic. The Avantgarde model adds a splash of color with a Gravity Blue main body and bright São Paulo Yellow accents, along with a dark windshield and a laser-engraved rim. The top-shelf Exclusive trim is where things get fancy, with a premium Spacesilver metallic paint job, upgraded wind protection, heated grips, a luxury embroidered seat, and its own unique engraved rim treatment.

There are also a few new tech upgrades baked into the options list. Riders can now spec a 6.9 kW quick charger that reduces the 0–80% charge time to just 45 minutes (down from nearly 4 hours with the standard 2.3 kW onboard charger). Tire pressure monitoring, a center stand, and BMW’s “Headlight Pro” adaptive lighting system are also available as add-ons, along with an emergency eCall system and Dynamic Traction Control.

BMW has kept the core riding components in place: a steel-tube chassis, 15-inch wheels, Bosch ABS (with optional ABS Pro), and the impressive 10.25” TFT display with integrated navigation and smartphone connectivity. The under-seat storage still swallows a full-face helmet, and the long, low frame design means the scooter looks like something out of Blade Runner but rides like a luxury commuter.

With these updates, BMW seems to be further cementing the CE 04’s role at the high end of the electric scooter market. It’s not cheap, starting around €12,000 in Europe and around US $12,500 in the US, with prices going up from there depending on configuration. However, the maxi-scooter delivers real motorcycle-grade performance in a package that’s easier to live with for daily riders.

Electrek’s Take

I believe that the CE 04’s biggest strength has always been that it’s not trying to be a toy or a gimmick. It’s a real vehicle. Sure, it’s futuristic and funky looking, but it delivers on its promises. And in a market that’s still surprisingly sparse when it comes to premium electric scooters, BMW has had the lane mostly to itself. That may not last forever, though. LiveWire, Harley-Davidson’s electric spin-off brand, has teased plans for a maxi-scooter-style urban electric vehicle in the coming years, but as of now, it remains something of an undefined future plan.

Meanwhile, BMW is delivering not just a concept bike but a mature, well-equipped, and ready-to-ride electric scooter that keeps improving. For riders who want something faster and more capable than a Class 3 e-bike but aren’t ready to jump to a full-size electric motorcycle, the CE 04 hits a sweet spot. It delivers the performance and capability of a commuter e-motorcycle, yet with the approachability of a scooter. And with these new trims and upgrades, it’s doing it with even more style.

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I found this cheap Chinese e-cargo trike that hauls more than your car!

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I found this cheap Chinese e-cargo trike that hauls more than your car!

If you’ve ever wondered what happens when you combine a fruit cart, a cargo bike, and a Piaggio Ape all in one vehicle, now you’ve got your answer. I submit, for your approval, this week’s feature for the Awesomely Weird Alibaba Electric Vehicle of the Week column – and it’s a beautiful doozie.

Feast your eyes on this salad slinging, coleslaw cruising, tuber taxiing produce chariot!

I think this electric vegetable trike might finally scratch the itch long felt by many of my readers. It seems every time I cover an electric trike, even the really cool ones, I always get commenters poo-poo-ing it for having two wheels in the rear instead of two wheels in the front. Well, here you go, folks!

Designed with two front wheels for maximum stability, this trike keeps your cucumbers in check through every corner. Because trust me, you don’t want to hit a pothole and suddenly be juggling peaches like you’re in Cirque du Soleil: Farmers Market Edition.

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To avoid the extra cost of designing a linked steering system for a pair of front wheels, the engineers who brought this salad shuttle to life simply side-stepped that complexity altogether by steering the entire fixed front end. I’ve got articulating electric tractors that steer like this, and so if it works for a several-ton work machine, it should work for a couple hundred pounds of cargo bike.

Featuring a giant cargo bed up front with four cascading fruit baskets set up for roadside sales, this cargo bike is something of a blank slate. Sure, you could monetize grandma’s vegetable garden, or you could fill it with your own ideas and concoctions. Our exceedingly talented graphics wizard sees it as the perfect coffee and pastry e-bike for my new startup, The Handlebarista, and I’m not one to argue. Basically, the sky is the limit with a blank slate bike like this!

Sure, the quality doesn’t quite match something like a fancy Tern cargo bike. The rim brakes aren’t exactly confidence-inspiring, but at least there are three of them. And if they should all give out, or just not quite slow you down enough to avoid that quickly approaching brick wall, then at least you’ve got a couple hundred pounds of tomatoes as a tasty crumple zone.

The electrical system does seem a bit underpowered. With a 36V battery and a 250W motor, I don’t know if one-third of a horsepower is enough to haul a full load to the local farmer’s market. But I guess if the weight is a bit much for the little motor, you could always do some snacking along the way. On the other hand, all the pictures seem to show a non-electric version. So if this cart is presumably mobile on pedal power alone, then that extra motor assist, however small, is going to feel like a very welcome guest.

The $950 price is presumably for the electric version, since that’s what’s in the title of the listing, though I wouldn’t get too excited just yet. I’ve bought a LOT of stuff on Alibaba, including many electric vehicles, and the too-good-to-be-true price is always exactly that. In my experience, you can multiply the Alibaba price by 3-4x to get the actual landed price for things like these. Even so, $3,000-$4,000 wouldn’t be a terrible price, considering a lot of electric trikes stateside already cost that much and don’t even come with a quad-set of vegetable baskets on board!

I should also put my normal caveat in here about not actually buying one of these. Please, please don’t try to buy one of these awesome cargo e-trikes. This is a silly, tongue-in-cheek weekend column where I scour the ever-entertaining underbelly of China’s massive e-commerce site Alibaba in search of fun, quirky, and just plain awesomely weird electric vehicles. While I’ve successfully bought several fun things on the platform, I’ve also gotten scammed more than once, so this is not for the timid or the tight-budgeted among us.

That isn’t to say that some of my more stubborn readers haven’t followed in my footsteps before, ignoring my advice and setting out on their own wild journey. But please don’t be the one who risks it all and gets nothing in return. Don’t say I didn’t warn you; this is the warning.

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