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Zum EV charging station with school buses.

Zum

The nightlife of school buses is about to get more interesting.

Zum, which provides student transportation including EV buses to 4,000 schools across the country, is partnering with the Oakland Unified School District to start selling power stored in EV batteries back to the California utility grid.

Oakland is the first school district in the U.S. to go fully electric with its buses and will now be the first to test the concept of V2G (vehicle to grid) bidirectional charging. In effect, instead of the one-way charge into the vehicle, the school buses will be able to send their battery power back to the grid through Zum charging infrastructure.

Zum estimates that 2.1 gigawatt hours of energy can be sent from batteries back to the California grid annually. The company’s goal is to add 10,000 bidirectional EV school buses across the U.S. with 300 gigawatt hours of energy available to power grids each year. San Francisco Unified and Los Angeles Unified, much larger districts than Oakland, are expected to follow, Zum said. It also works with school districts in California, Colorado, Connecticut, Illinois, Maryland, Massachusetts, Missouri, Nebraska, Pennsylvania, Tennessee, Texas, Washington, Utah, and Virginia.

Zum ranked No. 31 on the 2024 CNBC Disruptor 50 list

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There have been pilots across the country to test school bus V2G business models, but Zum says the time has come to move beyond the test phase.

“We at Zum strongly believe it is time to move beyond pilots and deploy sustainability solutions at scale. Converting the Oakland Unified school bus fleet to 100% electric with VPP [virtual power plant] capability is the right step in that direction,” said Ritu Narayan, founder and CEO of Zum, in a release.

According to Zum, the 27 million students moved across the country to and from schools twice daily is the largest mass transit system in the country. The roughly 500,000 school buses are mostly diesel, contributing to emissions. Zum has the goal of being a net-zero transport provider.

Pacific Gas and Electric, which is based in Oakland, has partnered with Zum to enable its bidirectional charging station for EV buses in Oakland.

Zum EV school buses at a charging station.

Zum

The concept is considered a strong one given the fact that school buses are not in use during peak energy demand hours, for example, between 5 p.m. and 10 p.m. This allows the buses, and their owners, to execute an energy arbitrage trade: charging up for their core daily task of moving students when energy prices are lower, and feeding battery storage back onto the grid when utilities will pay more for it per kilowatt/hour. As owner of the buses in use in Oakland, Zum will be the one to receive revenue from the grid deal, but in other cases where school districts own the buses, they can generate revenue. In some cases, the revenue from power sales could be split.

Ram Ambatipudi, senior vice president of business development at EV Connect, which provides EV charging solutions, said the school bus model is one of the most promising in the area of using EV battery storage in a bidirectional nature. He said one of the biggest challenges is getting utilities to set a predetermined rate schedule that will allow for the arbitrage play across power markets, generating the revenue opportunity for the battery owners.

“There aren’t a lot of established rate schedules,” Ambatipudi said. In addition, a lot has to go right to make the model work and is still being tested. “It’s been more of a pilot level because that interplay has to happen between the vehicle charging station hardware, and software management of the station, and the backfeeding into grid and having the economic benefit paid out by the utility. “Those market developments have yet to come,” he said.

The idea is similar in some ways to how owners of rooftop solar systems have been able to feed power back onto the grid in some markets, but in recent years, there has been pushback against these “net metering” relationships, especially in California. With buses, though, there is one key difference: the buses are not in use during the most important times of the day for the grid to have more power, and the buses can recharge at off-peak demand hours. Many rooftop solar power owners were selling energy supply back onto the grid when it was less needed.

And the arbitrage economics make sense: bus owners charge the vehicles during the lowest-cost periods so they can allocate excess battery power to be sold back into the grid when it is at its highest economic value.

There are many applications to take stored power in EV batteries and use as a supply, such as Ford pitching its F-150 Lightning EV as a home backup power source for when the grid is down and saying that has shown a surprising level of consumer appeal. But the school bus model may be the most effective at the largest scale.

“The low-hanging fruit from what I’ve seen is the school bus model,” Ambatipudi said. It’s not just the cycle of dropping off kids during the morning and then remaining idle at a depot during the middle part of day, and then cycling again in the afternoon and early evening into idle state again. During summer months, the buses are largely idle. “Buses can be used as essentially arbitrage devices to charge when power is cheap and discharge when needed,” he said.

Pilot CEO Adam Wright on EV charging: We think demand is going to push through

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Musk complains about handouts when Tesla was only profitable due to credits

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Musk complains about handouts when Tesla was only profitable due to credits

Tesla’s earnings report dropped today, and news isn’t great. But instead of recognizing his failures that have led to Tesla’s downturn, CEO Elon Musk lashed out with conspiracy theories while also hypocritically failing to acknowledge that his company was only profitable this quarter due to regulatory credits.

The numbers are in on Tesla’s dismal quarter, with sales, profits and margins tanking significantly for the company despite a rising global EV market.

You’d expect a drop in car sales to be top of mind for a car company, but instead of talking about this, CEO Elon Musk opened the call by talking about his ineffective advisory role to a former reality TV host.

Musk is heading up the self-styled “Department of Government Efficiency,” an advisory group that is focused on reducing redundancy in government. The office is not an actual government department and has a redundant mission to the Government Accountability Office, which is an actual government department focused on reducing government waste.

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Musk originally claimed that the department would be able to save $2 trillion for the US government, which is actually impossible because federal discretionary spending is $1.7 trillion, which is a (gets out abacus) smaller number than $2 trillion.

He has, of course, failed at this task that anyone with any level of competence would have known was impossible before setting it out for themselves, and now projects that the department will save $150 billion next year, less than a tenth of his original estimate. But even that projection is likely an overstatement, given that most of the supposed savings that DOGE has found are not actual savings at all.

On top of this, the US government’s deficit has grown to the second-highest level on record – with the first happening in 2020, the last time Mr. Trump squatted in the White House. Which means the government isn’t saving money, it is in fact borrowing and spending more of it than ever before.

So, Musk’s tenure in the advisory board has been an unmitigated failure by any realistic account.

But if you listened to Tesla’s call, you wouldn’t have known this, as Musk was quite boastful of his efforts – starting a Tesla conference call with an irrelevant rant about his fake government department, instead of with Tesla business.

He claimed that he has made “a lot of progress in addressing waste and fraud” and that the job is “mostly done,” which is not correct by his own metrics. Musk stated that his purpose is “trying to bring in the insane deficit that is leading our country, the United States, to destruction,” and as we covered above, that deficit has only increased.

But he also went on to spew some rather insane conspiracy theories about the reasons behind his company’s recent failures, all of which of course put the blame on someone else, rather than himself. The buck stops anywhere but here, I guess.

His primary assertion was that the “blowback from the time I’ve been spending in government” (which, again, is an advisory role, not an actual government position) has come mainly from protesters that were “receiving fraudulent money” and are now angry that the government money spigot has been turned off.

Which, of course, he’s provided no evidence for… and he’s provided no evidence for it because it’s false.

Besides, that’s not how protests work. But incorrect claims that protests do work that way are often used by opponents of free speech, with the motivation of putting a chilling effect public participation. Fitting behavior for an enemy of the First Amendment like Elon Musk.

Meanwhile, this assertion also comes from a person who tried and failed to bribe voters to win an election. Perhaps his admiration of Tesla protesters is aspirational – he wishes his ideas were good enough to inspire that sort of grassroots political effort that money, demonstrably, cannot buy.

But this hypocrisy extends beyond Musk’s hatred of free expression, and strikes at the heart of the business he is the titular leader of, Tesla, the organization that has made him into the richest man in the world. Because not only is it not true that Tesla protests are driven by his ineffective government actions (they are, in fact, driven by him doing Nazi stuff all the time), it’s also objectively true that Musk’s companies are a large recipient of government money.

And that’s particularly relevant today, to the very earnings call where Musk made his ridiculous assertion, because in Q1 2025, Tesla only turned a profit due to government credits. Without them, it would have lost money.

Tesla only profitable in Q1 due to regulatory credits

Per today’s earnings report, Tesla earned $595 million in regulatory credits in Q1. But its total net income for the quarter was $409 million.

This means that without those regulatory credits, Tesla would have posted a -$189 million loss in Q1. It was saved not just by credit sales, but credit sales which increased year over year – in the year-ago quarter, Tesla made $442 million in regulatory credits, despite having higher sales in Q1 2024 than in Q1 2025. So not only were credits higher, but credits per vehicle were higher.

This is a common feature of Tesla earnings, and we even said in our earnings preview that we expected it. While Tesla had a bad quarter, nobody expected it to become actually unprofitable, because there was always the possibility of increasing regulatory credit sales to eke out a profitable quarter.

And this has been the case many times in Tesla’s past, as well. In earlier times, Tesla’s first few profitable quarters were decried by the company’s opponents as an accounting trick, suggesting that regulatory credit sales weren’t “real” profits, and that the cars should have to stand on their own.

This is a silly thing to say – businesses do business in the environment that exists, and every business has an incentive structure that includes subsidies and externalities. If we were to selectively write off certain profits for certain businesses, we could make a tortured case that any business isn’t profitable.

Plus, these opponents didn’t extend the same treatment to the oil industry, which is subsidized to the tune of $760 billion per year in the US alone in unpriced externalities, yet that is somehow never mentioned during their earnings calls.

Musk has even claimed, probably correctly, that if all subsidies were eliminated both for EVs and for oil & gas, that EVs would come out ahead compared to the status quo (more recently, Musk has become one of the biggest funders of anti-EV forces, allying himself with a bought-and-paid oil stooge who is giving even more preferential treatment to the oil industry).

But, setting aside the debate over whether credits are valid profits (they are), for years now we’ve been well beyond Tesla’s reliance on credits. The company has produced significant profits, regardless of credit sales, for some time now.

At least, until today. That’s no longer true – Tesla did rely on credits to become profitable in Q1. And Musk starting the call with a ridiculous rant about government handouts not only shows his hypocrisy and projection on this matter, but his detachment from reality itself. He is, truly, too stuck in the impenetrable echo chamber of his self-congratulating twitter feed to realize what an embarrassment he’s being in public – to the point of inventing shadow enemies to explain the very real, very simple explanation that people aren’t buying his company’s cars because he sucks so much.


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Commercial financing for EVs is way different than you think | Quick Charge

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Commercial financing for EVs is way different than you think | Quick Charge

No matter how badly a fleet wants to electrify their operations and take advantage of reduced fuel costs and TCO, the fact remains that there are substantial up-front obstacles to commercial EV adoption … or are there? We’ve got fleet financing expert Guy O’Brien here to help walk us through it on today’s fiscally responsible episode of Quick Charge!

This conversation was motivated by the recent uncertainty surrounding EVs and EV infrastructure at the Federal level, and how that turmoil is leading some to believe they should wait to electrify. The truth? There’s never been a better time to make the switch!

Prefer listening to your podcasts? Audio-only versions of Quick Charge are now available on Apple PodcastsSpotifyTuneIn, and our RSS feed for Overcast and other podcast players.

New episodes of Quick Charge are recorded, usually, Monday through Thursday (and sometimes Sunday). We’ll be posting bonus audio content from time to time as well, so be sure to follow and subscribe so you don’t miss a minute of Electrek’s high-voltage daily news.

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Got news? Let us know!
Drop us a line at tips@electrek.co. You can also rate us on Apple Podcasts and Spotify, or recommend us in Overcast to help more people discover the show.


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Vermont sees an explosive 41% rise in EV adoption in just a year

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Vermont sees an explosive 41% rise in EV adoption in just a year

Vermont’s EV adoption has surged by an impressive 41% over the past year, with nearly 18,000 EVs now registered statewide.

According to data from Drive Electric Vermont and the Vermont Agency of Natural Resources, 17,939 EVs were registered as of January 2025, increasing by 5,185 vehicles. Notably, over 12% of all new cars registered last year in Vermont had a plug. Additionally, used EVs are gaining popularity, accounting for about 15% of new EV registrations.

To put it in perspective, Vermont took six years to register its first 5,000 EVs – and the last 5,000 were added in just the previous year.

Rapid growth, expanding infrastructure

In just two years, Vermont has doubled its fleet of EVs, underscoring residents’ enthusiasm for electric driving. To support this surge, the state now boasts 459 public EV chargers, including 92 DC fast chargers.

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The EV mix in Vermont is leaning increasingly toward BEVs, which represent 60% of the state’s EV fleet. The remaining 40% consists of PHEVs, offering flexible fuel options for drivers.

Top EV models in Vermont

Vermont’s favorite EVs in late 2024 included the Hyundai Ioniq 5, Nissan Ariya, Toyota RAV4 Prime PHEV, Tesla Model Y, and the Ford F-150 Lightning. These vehicles have appealed to Vermont drivers looking for reliability, performance, and practical features that work well in Vermont’s climate.

Leading the US in reducing emissions

This strong adoption of EVs earned Vermont the top ranking from the Natural Resources Defense Council for reducing greenhouse gas emissions in transportation in 2023. “It’s only getting easier for Vermonters to drive electric,” noted Michele Boomhower, Vermont’s Department of Transportation director. She emphasized the growing variety of EV models, including electric trucks and SUVs with essential features like all-wheel drive, crucial for Vermont’s climate and terrain.

Local dealerships boost EV accessibility

Nucar Automall, an auto dealer in St. Albans, is a great example of local support driving this trend. With help from Efficiency Vermont’s EV dealer incentives – receiving $25,000 through the EV Readiness Incentive program – it recently installed 15 EV chargers for new buyers and existing drivers to use.

“Having these chargers on the lot makes it easier for customers to see just how simple charging an EV can be,” said Ryan Ortiz, general manager at Nucar Automall. Ortiz also pointed out the growing affordability of EVs, thanks to more models becoming available and an increase in pre-owned EVs coming off leases.

Read more: Vermont becomes the first US state to pass a law requiring Big Oil to pay for climate damage


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Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisers to help you every step of the way. Get started here. –trusted affiliate link*

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