Search Results Found For: "DOE "

China dominates global electric bus market, but US builders still have a tech edge

As regular Charged readers know, dozens of cities in North America and Europe (and a couple in South America) are gradually adding electric buses to their fleets. But Western transit agencies are doing small-scale pilots. New York City’s MTA has 10 fully electric buses in service, and another 15 on order, out of a total… Read more »

Argonne’s new PEDOT cathode coating increases battery safety and stability

Scientists at the DOE’s Argonne National Lab have developed a new cathode coating by using an oxidative chemical vapor deposition technique that can help keep the cathode electrically and ionically conductive, ensure safety after many cycles, and help with other challenges as well. The findings are reported in the May online edition of Nature Energy…. Read more »

Is Workhorse’s deal to buy Lordstown plant from GM to build electric pickup too good to be true?

News travels by strange paths these days. The world first learned of a tentative deal for electric truck maker Workhorse to buy GM’s idled Lordstown, Ohio plant via a self-congratulatory tweet by the President of the US. If the deal goes through, it could be a win-win-win-win: Workhorse might receive a windfall like the one… Read more »

ClipperCreek’s new Dual Charging Station charges 2 EVs at once

EVSE manufacturer ClipperCreek has announced a new dual EV charging station solution. The HCS-D40 is a 32-amp, 7.7 kW Level 2 hardwired station that can charge two vehicles simultaneously. It installs onto a single dedicated 40-amp circuit, and automatically splits power between two vehicles based on their requests for power. It provides up to 16… Read more »

A closer look at the losses in power semiconductors

A previous article examined loss mechanisms in traction motors, which tend to be the single biggest source of losses in a modern EV drivetrain. This time, the focus is on the various power semiconductors, as they are the next biggest source of losses. Also covered in brief are ways to mitigate these losses and design… Read more »

Nissan’s $3,500 LEAF rebate gets local utilities involved in increasing EV awareness

If you pay an electric bill (and who doesn’t?), keep your eyes open for a message from your local utility announcing that you can take advantage of a $3,500 rebate on a Nissan LEAF. Nissan has been partnering with various utilities around the US to offer customers a special rebate. The rebate comes from Nissan,… Read more »

Tesla developing new battery recycling process at Gigafactory

All forms of transport have environmental impacts, and the mainstream media is fond of speculating that those of EVs are just as bad as those of fossil fuel vehicles. Some facts and figures to rebut the croakers may be found in Tesla’s 2019 Impact Report, in which the company discloses the impacts of its products… Read more »

Lots of news to digest as Tesla demos latest Autopilot system

At the recent Autonomy Investor Day, Tesla highlighted the progress it’s been making on its Autopilot system, and discussed its vision for the future of self-driving. Elon Musk and several other company execs, including Director Peter Bannon, Senior Director of Artificial Intelligence Andrej Karpathy, and VP of Engineering Stuart Bowers, made presentations for an audience… Read more »