"The Trump administration is rolling back a requirement for trains carrying highly explosive liquids — like the oil trains that run through the Columbia River Gorge en route to Northwest refineries."

"A top Volkswagen official in the United States was sentenced on Wednesday to seven years in prison for his role in the German automaker’s decade-long scheme to cheat on diesel emissions tests."

"Elon Musk has always dreamed big, and tonight he showed off his biggest reverie yet: the fully electric Tesla Semi. Powered by a massive battery and capable of hauling 80,000 pounds, it can ramble 500 miles between charges. It’ll even drive itself—on the highway, at least."

"The Environmental Protection Agency proposed a rule Thursday to repeal tighter emissions standards for heavy-duty trucks with older engines, an Obama-era regulation aimed at controlling soot and other pollutants along with greenhouse-gas emissions linked to climate change."

"House Republicans proposed eliminating a $7,500 electric vehicle tax credit that automakers have depended on to prop up early sales."

"A federal appeals court Friday halted implementation of a portion of an Obama administration regulation that set emissions-reduction standards for trucks’ trailers."

"The Environmental Protection Agency is seeking to repeal tighter emissions standards for truck components, a rule adopted in the final months of the Obama administration aimed at controlling traditional air pollutants as well as greenhouse-gas emissions linked to climate change."

"With China now planning to phase out gas-powered cars, automakers are talking about an all-electric future. It could mean a big drop in emissions."

"After more than a century peddling vehicles that pollute the atmosphere, General Motors is ending its relationship with gasoline and diesel. This morning, the American automotive giant announced that it is working toward an all-electric, zero-emissions future. That starts with two new, fully electric models next year—then at least 18 more by 2023."

"The technology, billed as a central pillar of the Steel City’s future, may be creating more economic anxiety than anything else."