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A red-hulled tanker is drifting in Massachusetts Bay, trying to capitalize on the two-month window when natural gas in this region can become the most expensive in the United States, and sometimes the world.

WASHINGTON — The trucking industry can serve as a testing ground for vehicle miles traveled programs, according to governors gathered to discuss infrastructure.

The wave of climate policy-centric hearings in the U.S. House of Representatives this month continues.

Exxon Mobil Corp. is partnering with Microsoft Corp. to crunch trillions of bits of data as the oil titan seeks to more than triple shale-oil production in the Permian Basin in less than a decade.

Oil declined for the first time in more than a week after U.S. government data showed an increase in crude stockpiles and production, and as the commodity tracked moves in the equity market.

The Pipeline and Hazardous Materials Safety Administration has issued a final rule that requires railroads to develop and submit comprehensive oil spill response plans for route segments traveled by high-hazard flammable trains.

Alberta is preparing a giant crude-by-rail operation to help its oil-sands producers cope with a pipeline crunch, and it expects a big profit from the venture.

The U.S. average retail price of diesel rose 4 cents to $3.006 a gallon, according to the Department of Energy. The price of crude oil climbed into the mid-fifty-dollar range, a three-month high, as international supplies tightened and concerns over a deeper trade war with China lessened.

European Union negotiators agreed to impose caps on carbon dioxide from trucks for the first time, stepping up the fight against climate change with a challenge to manufacturers such as Daimler AG.

The Federal Highway Administration has awarded over $10 million to states that are testing alternative methods to fund highway and bridge projects.