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ATLANTA — Shell Rotella in cooperation with Airflow Truck Co. introduced the “Project Starship” concept truck here, a hand-built, street-legal, one-of-a-kind tractor-trailer equipped with technologies and equipment designed to maximize fuel efficiency.

The U.S. retail diesel average dropped 1.5 cents to $2.992 a gallon, its fourth consecutive decline, the Department of Energy reported March 5.

ATLANTA — Michelin North America has unveiled a trailer aerodynamics package for dry van and refrigerated trailers, a five-piece kit that incorporates side skirts, trailer-end fairings, aerodynamic mud flaps and a wake reducer to deliver what the company said is up to 7.4% improvement in fuel efficiency.

ATLANTA — The North American Council for Freight Efficiency announced an expanded organizational strategy, including an updated brand identity and website, as it seeks to guide the development and eventual implementation of future technologies.

TravelCenters of America reported mixed earnings for the fourth quarter and 2017 as it experienced lower gross fuel margin on lower volume, among other factors, while nonfuel revenue rose in both periods.

Anchorage drivers will pay an extra 10 cents per gallon at the pump starting March 1, with the city’s first-ever tax on gasoline and diesel fuel taking effect.

Donald Trump’s meeting with senators warring over the future of a program designed to boost biofuels ended without a breakthrough Feb. 27, prolonging a clash that could undermine the president’s political appeal in Pennsylvania and Iowa.

Some hard-to-ignore stop signs keep cropping up for any Texas Republican who might consider increasing the federal gasoline tax.

The U.S. average retail price of diesel fell 2 cents to $3.007 as crude oil prices rose amid optimism that the economy and energy use would climb along with recent gains in stock prices. Later in the week, oil slipped on rising U.S. inventory levels.

The trucking industry’s need for diesel engine technicians spurred Kenworth Sales Co. to donate $400,000 to the Diesel Tech Pathways program at Salt Lake Community College’s Westpointe Center, according to the company.