What China’s electric bike charging stations can teach us all
Electric car charging stations are becoming ubiquitous across many cities in the US. But with electric bikes vastly outnumbering electric cars, should we be considering charging stations for these more popular light EVs? In China, e-bike charging stations are already commonplace. Perhaps we can learn something from them.
In fact, I didn’t know just how common these charging stations were in China until recently. I was talking with William Guo, whose company develops and markets e-bike charging adapters for European and US electric car charging stations. Basically, it’s a device that plugs into a car charging station and converts the J1772 or European Type 2 connector into a typical wall outlet for Level 1 charging. That wall outlet can then be used to plug in any standard home charger, such as for an electric bicycle, e-scooter, e-skateboard, or other device.
It’s a great solution for the Western world, but he mentioned that in China where he lives they tend to prefer just using an e-bike charging station, to which I responded “a what now?”
As it turns out, electric bike charging stations are common in China. William sent me some photos of an e-bike charging station near where he lives in Zhejiang Province, as well as a few others around town.
I actually visited Zhejiang Province in 2019, but I never saw stations like these.
There are a few designs but most are variations of a simple concept: a row of wall outlets connected to some type of payment portal.
Riders generally carry their charger with them so they can plug in at a charging station near work or any other destination. Electric bicycles in China are frequently more of a moped or scooter-style design, meaning they have more storage options on the bike that make it easier to carry the charger with them.
I asked William if riders weren’t worried about someone stealing their charger while they’re charging. “Charger theft isn’t really a problem,” he responded. “They just aren’t worth much.” It makes sense to me, especially considering a new e-bike charger on Amazon can be had for $20-$35. Considering they come from China anyway and who knows what the markup is by US importers, the local price must be pretty darn low.
William also shared with me some screenshots from the charging station app, showing the various charging options and which charging outlets are still available at any moment.
The prices are based on charging time and charging power, but seem quite reasonable. For example, a 240-minute charge at under 300W costs just 1 RMB (US $0.14). For comparison, most e-bike chargers in the US are rated at around 150-250W.
Higher power is available from the station, which would likely be used on heavier moped-style e-bikes than the type of e-bikes we generally see in the US or Europe. A 1.2 kW charger would run for about 144 minutes for the same price. Users can also pay 2 or 3 RMB (US $0.28 or $0.42) for twice or three times the charging time, which would basically cover an all-day charge.
There are other types of e-bike charging stations in China that actually have the chargers built into the machine and are better suited for those that don’t carry their charger with them. Still other designs have several AC power cords that directly plug into the charger, meaning riders can plug their chargers into that cord. That design also likely deters folks who want to use the station to get a quick charge of their phone or laptop from an AC outlet, since you don’t have a typical wall outlet on the face of the machine.
All of this goes to show just how simple electric bike charging stations can truly be. Ultimately, these are just glorified extension cords with a payment portal. That’s all you really need.
And perhaps that’s the biggest lesson of all here. If we want to make it easier for people to commute by electric bike, especially over longer distances, such simple e-bike charging stations can be a great idea. It’s not totally foreign in the US. We’ve seen examples in Oregon and New York. But those are the exception, not the rule.
Today’s throttle-controlled electric bicycles with lithium-ion batteries often have ranges of between 20-30 miles (32-50 km) when new, but that range can drop after several years. Being able to charge up while at work is a great way to avoid needing to replace a functional battery that still has a few years of use left despite not holding as much charge as it used to.
Centralized charging locations can also help combat the issue of e-bike fires in the US. It’s important to point out that e-bike fires are extremely rare. You hear about them often on the news because of the old “if it bleeds, it leads” adage. Every day hundreds of thousand of e-bikes get charged in the US without any fires. But occasionally fires due occur, often during charging, and so it is still an important issue to consider when planning for safe e-bike charging.
Having a centralized charging station for e-bikes that is outside of people’s homes or workplaces helps improve safety. Such stations can even be fitted with an appropriate fire suppression system in the ceiling, just in case.
While the US use case for e-bikes isn’t quite the same as in China where e-bikes are used by a huge swath of the population as primary vehicles, there are still plenty of people in the US that could make use of e-bike charging stations.
And when they’re this simple to set up, perhaps it’s something more places should be considering. They’d be useful for more than just electric bikes, but also Vespa-style electric scooters and even electric motorcycles that don’t have typical charging station connectors.
Just for fun, I’ll leave you with an image from 2015 when I did a 500-mile (800 km) trip on a DIY electric bike and I had to find places to charge along the way (despite having a massive 2.8 kWh of battery on the bike).
Pro tip: look for vending machines and ice machines. In a pinch, they’ll lead you to an outlet. Buying something from the place you “borrow” $0.30 of electricity from is a nice gesture, too.
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Mining company Vale is turning to Caterpillar to provide this massive, 240-ton battery-electric haul truck in a bid to slash carbon emissions at its mines by 2030.
Caterpillar and Vale have signed an agreement that will see the Brazilian mining company test severe-duty battery electric mining trucks like the 793 BEV (above), as well as V2G/V2x energy transfer systems and alcohol-powered trucks. The test will help Vale make better equipment choices as it works to achieve its goals of reducing direct and indirect carbon emissions 33% by 2030 and eliminating 100% of its net emissions by 2050.
If that sounds weird, consider that most cars and trucks in Brazil run on either pure ethyl alcohol/ethanol (E100) or “gasohol” (E25).
“We are developing a portfolio of options to decarbonize Vale’s operations, including electrification and the use of alternative fuels in the mines. The most viable solutions will be adopted,” explains Ludmila Nascimento, energy and decarbonization director Vale. “We believe that ethanol has great potential to contribute to the 2030 target because it is a fuel that has already been adopted on a large scale in Brazil, with an established supply network, and which requires an active partnership with manufacturers. We stand together to support them in this goal.”
Vale will test a 240-ton Cat 793 battery-electric haul truck at its operations in Minas Gerais, and put energy transfer solutions to a similar tests at Vale’s operations in Pará over the next two-three years. Caterpillar and Vale have also agreed to a joint study on the viability of a dual-fuel (ethanol/diesel) solution for existing ICE-powered assets.
Vale claims to be the world’s largest producer of iron ore and nickel, and says it’s committed to an investment of between $4 billion to $6 billion to meet its 2030 goal.
Cat 793 electric haul truck
During its debut in 2022, the Cat 793 haul truck was shown on a 4.3-mile test course at the company’s Tucson proving grounds. There, the 240-ton truck was able to achieve a top speed of over 37 mph (60 km/h) fully loaded. Further tests involved the loaded truck climbing a 10% grade for a full kilometer miles at 7.5 mph before unloading and turning around for the descent, using regenerative braking to put energy back into the battery on the way down.
Despite not giving out detailed specs, Caterpillar reps reported that the 793 still had enough charge in its batteries for to complete more testing cycles.
Electrek’s Take
Electric equipment and mining to together like peanut butter and jelly. In confined spaces, the carbon emissions and ear-splitting noise of conventional mining equipment can create dangerous circumstances for miners and operators, and that can lead to injury or long-term disability that’s just going to exacerbate a mining operation’s ability to keep people working and minerals coming out of the ground.
By working with companies like Vale to prove that forward-looking electric equipment can do the job as well as well as (if not better than) their internal combustion counterparts, Caterpillar will go a long way towards converting the ICE faithful.
SOURCES | IMAGES: Caterpillar, Construction Equipment, and E&MJ.
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American mine; via NPROXX
Argonne National Laboratory is building a new research and development facility to independently test large-scale hydrogen fuel cell systems for heavy-duty and off-road applications with funding from the US Department of Energy.
The US Department of Energy (DOE) is hoping Argonne Nat’l Lab’s extensive fuel cell research experience, which dates back to 1996, will give it unique insights as it evaluates new polymer electrolyte membrane (PEM) fuel cell systems ranging from 150 to 600 kilowatts for use in industrial vehicle and stationary power generation applications.
The new Argonne test facility will help prove (or, it should be said, disprove) the validity of hydrogen as a viable fuel for transportation applications including heavy trucks, railroad locomotives, marine vessels, and heavy machines used in the agriculture, construction, and mining industries.
“The facility will serve as a national resource for analysis and testing of heavy-duty fuel cell systems for developers, technology integrators and end-users in heavy-duty transportation applications including [OTR] trucks, railroad locomotives, marine vessels, aircraft and vehicles used in the agriculture, construction and mining industries,” explains Ted Krause, laboratory relationship manager for Argonne’s hydrogen and fuel cell programs. “The testing infrastructure will help advance fuel cell performance and pave the way toward integrating the technology into all of these transportation applications.”
The Hydrogen and Fuel Cell Technologies Office (HFTO) of DOE’s Office of Energy Efficiency and Renewable Energy is dedicating about $4 million to help build the new Argonne facility, which is set to come online next fall.
Electrek’s Take
It’s going to be hard to convince me that the concentrated push for a technology as inefficient as hydrogen fuel cells has more to do with any real consumer or climate benefit than it does keeping the throngs of people it will take to manufacture, capture, transport, store, house, and effectively dispense hydrogen gainfully employed through the next election cycle.
As such, while case studies like the hydrogen combustion-powered heavy trucks that have been trialed at Anglo American’s Mogalakwena mine since 2021 (at top) and fuel cell-powered concepts like Komatsu’s medium-sized excavator (above) have proven that hydrogen as a fuel can definitely work on a job site level while producing far fewer harmful emissions than diesel, I think swappable batteries like the ones being shown off by Moog Construction and Firstgreen have a far brighter future.
Speaking of Moog, we talked to some of the engineers being their ZQuip modular battery systems on a HEP-isode of The Heavy Equipment Podcast a few months back. I’ve included it, below, in case that’s something you’d like to check out.
SOURCES | IMAGES: ANL, Komatsu, and NPROXX.
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Velocity truck rental is doing its part to help commercial fleets electrify by energizing 47 high-powered charging stations at four strategic dealer locations across Southern California. And they’re doing it now.
The new Velocity Truck Rental & Leasing (VTRL) charging network isn’t some far-off goal being announced for PR purposes. The company says its new chargers are already in the ground, and set to be fully online and energized by the end of this month at at VTRL facilities in Rancho Dominguez (17), Fontana (14), the City of Industry (14), and San Diego (2).
45 120 kW Detroit e-Fill chargers make up the bulk of VTRL’s infrastructure project, while two DCFC stations from ChargePoint get them to 47. All of the chargers, however, where chosen specifically to cater to the needs of medium and heavy-duty battery electric work trucks.
The company says it chose the Detroit e-Fill commercial-grade chargers because they’ve already proven themselves in Daimler-heavy fleets with their ability to bring Class 8 Freightliner eCascadias, Class 6 and 7 Freightliner eM2 box trucks, and RIZON Class 4 and 5 cabover trucks, “to 80% state of charge in just 90 minutes or less.”
At Velocity, we are not just reacting to the shift towards electric mobility; we are at the forefront with our customers and actively shaping it. By integrating high-powered, commercial-grade charging solutions along key transit corridors, we are ensuring that our customers have the support they need today. This charging infrastructure investment is a testament to our commitment to helping our customers transition smoothly to electromobility solutions and to prepare for compliance with the Advanced Clean Fleets (ACF) regulations.
David Deon, velocity president
Velocity plans to offer flexible charging options to accommodate the needs of different fleets, including both managed, “charging as a service” subscription plans and self-managed/opportunity charging during daily routes. While trucks are charging, drivers and operators will be able to relax in comfortable break rooms equipped with WIFI, television, snacks, water, and restrooms.
Electrek’s Take
While it feels a bit underwhelming to write about trucking companies simply following the letter of the law in California, the rollout of an all-electric, zero-emission commercial trucking fleet remains something that, I think, should be celebrated.
As such, I’m celebrating it. I hope you are, too.
SOURCE | IMAGES: Global Newswire; Daimler Trucks.
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