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When policymakers kick off debate on “pay-fors” for a long-term infrastructure plan, the vehicle-miles-traveled funding approach that seems to be gaining bipartisan support in Congress is expected to play a major role.

Colorado moved to boost electric-car sales by taking the first step toward adopting a zero-emission-vehicle mandate patterned after one in California that’s under threat from the Trump administration.

Some of the world’s most conservative companies are starting to experiment with cleaner fuels and cutting-edge technologies to meet new standards starting next year that mandate steep cuts of sulfur emissions from oceangoing ships.

U.S. factory production expanded in December by the most in 10 months, ending the year stronger than expected thanks to a surge in motor-vehicle output and gains across a range of other goods.

Tesla, recognizing as imperative its ability to produce a cheaper electric car, told employees Jan. 18 that it must cut 7% of its workforce.

Propelled by the shale-oil boom, the U.S. is already producing more crude than either Russia or Saudi Arabia, who until recently vied for the top spot. By midyear America will go one better.

Characterizations of Andrew Wheeler’s tenure as acting administrator of the U.S. Environmental Protection Agency fell mostly along party lines during his confirmation hearing to lead the agency

Oil rose amid estimates of another decline in U.S. crude inventories and signs that China is stepping up efforts to combat an economic slowdown.

Organizers for this year's gathering of the Transportation Research Board in Washington have come up with a list of a dozen topic areas that policymakers need to address to ensure a sustainable transportation network.