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WASHINGTON — Oil and gas executives have watched wearily in recent years as the relationship between the United States and Russia deteriorated, steadily closing off their ability to drill the vast shale plays underlying Siberia and the deep-water oil fields off Russia’s Arctic coast.

Electric car maker Tesla Inc. burned through $739.5 million in cash last quarter, paving the way to a company record $717.5 million net loss as it cranked out more electric cars.

Falling prices and government mandates are set to boost sales of electric vehicles globally, making owning and operating charging infrastructure an attractive area for investment.

FRANKFURT, Germany — Volkswagen said its earnings rose in the second quarter on record sales and fatter profit margins but warned that “growing protectionism” is a threat to the globally connected car industry.

Marathon executives touted earnings of more than a billion dollars in the second quarter this year and said the oil company is making progress in a proposed merger with a Texas-based refiner.

The U.S. average retail price of diesel crept up 0.6 cent to $3.226 a gallon while crude oil prices jumped higher as Middle East tensions continued.

Automation in the trucking industry is ramping up quickly. But how will the next levels of automation be deployed? Episode 2 of RoadSigns has the answers. Click to listen.

American Natural Gas announced it opened a fast-fill compressed natural gas station in Lynchburg, Va. The facility will primarily serve CNG tractor-trailers operated from a nearby plant of PepsiCo Inc.’s Frito-Lay division, but it will also be open to the public.

U.S. Environmental Protection Agency acting Administrator Andrew Wheeler has reversed a controversial decision made earlier this month that would have allowed the proliferation of glider kit trucks until the end of 2019.