Fuel

UPS said it has completed testing of its “plastic truck,” a composite-bodied vehicle that’s lighter and uses 40% less fuel than its current package cars, and will soon add 150 of the new vehicles to its delivery fleet.

Retail diesel prices tumbled another 5.1 cents to $3.678 last week, the lowest level in 16 months, the U.S. Department of Energy reported.

A federal appeals court backed the Obama administration's campaign to limit greenhouse-gas emissions, the Wall Street Journal reported Wednesday.

Expanded U.S. oil and natural gas production could cut oil imports in half by 2020 and end them by 2035, the Wall Street Journal reported Wednesday.

As noted on other pages of this week’s edition of Transport Topics, American Trucking Associations will be conducting the first comprehensive summit on the use of natural gas in trucking.

American Trucking Associations said it will host a first-ever national summit on the growing use of natural gas as a fuel for moving freight across the country.

U.S. diesel prices continued their longest slide in 3½ years, as the national average declined 5.2 cents to $3.729 a gallon last week, the Department of Energy reported.

Gasoline could fall below $3 a gallon by the fall, in contrast to predictions earlier this year that it would approach $5, USA Today reported Friday.