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Researchers have developed a promising yet surprisingly simple modification to diesel engines that could hold the key to reducing the complexity, maintenance, and size and weight of emission aftertreatment systems.

Tesla Inc. kept growing in China last month, with registrations of its electric vehicles jumping to a record in the world’s largest market as the coronavirus outbreak receded.

The prospect of a Tesla Inc. factory in the Austin, Texas, area has moved a big step closer to reality, after Travis County commissioners on July 14 approved tax breaks the electric vehicle maker requested.

After a torrid rally that saw shares more than double since early May, Tesla Inc. is taking a pause on July 15, even as the broader market rises on the hopes for a coronavirus vaccine.

Joe Biden unveiled plans July 14 to spend $2 trillion galvanizing a clean energy economy, with ambitions to spur millions of union jobs building the wind turbines, sustainable homes and electric vehicles needed to rapidly throttle U.S. greenhouse gas emissions driving climate change.

A total of 15 states and the District of Columbia have signed a joint memorandum of understanding committing to work collaboratively to advance and accelerate the market for electric medium- and heavy-duty trucks and other vehicles.

Tesla Inc.’s relentless surge continued July 13 amid several upcoming events that include the possible unveiling of new battery technology from the electric vehicle maker, entry into a lucrative new market and the potential inclusion of the stock into the prestigious S&P 500 Index.

Chevron Corp. announced it is partnering with California natural gas retailer Clean Energy Fuels Corp. on Adopt-a-Port, an initiative that provides truck operators serving the ports of Los Angeles and Long Beach with carbon-negative renewable natural gas to reduce emissions.

Tesla Inc. reported a sequential gain in quarterly deliveries that seemed improbable weeks ago, sending its stock surging toward Wall Street’s most bullish price target.

California regulators already have issued a proposal aimed at lowering oxides of nitrogen and particulate matter emissions for new trucks built beginning in 2024, but federal regulators are still working to craft a separate nationwide low-NOx and PM proposal scheduled to take effect in 2027.