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The California Air Resources Board is recommending that truckers with transport refrigeration units, also known as reefers, pay attention to upcoming deadlines to avoid penalties.

Secured Digital Applications, a provider of asset-tracking services, has unveiled its new pocket-size Bluetooth Global Positioning System receiver, saying it offers a cheaper alternative to comparable vehicle-mounted systems.

The average price of retail diesel slipped below its record high last week, dipping 2.8 cents to $3.416 a gallon, the U.S. Department of Energy reported, citing a decline in demand for distillate fuels.

Air and ocean freight forwarder UTi Worldwide said Thursday its fiscal third-quarter profit rose 14% to $34.9 million or 35 cents a share, from $30.5 million or 31 cents a year ago.

Oil prices dipped Wednesday following an Energy Department report that showed distillate inventories, which include diesel fuel and home heating oil, rose last week.

A large biodiesel plant that will be one of the world’s 10 largest biodiesel facilities is scheduled to open Tuesday in Iowa, the Albert Lea (Minn.) Tribune newspaper reported.

U.S. automakers say congressional legislation to boost U.S. fuel-economy standards 40% should halt efforts by states to restrict emissions, Bloomberg reported Monday.

Southern California’s ports are about to begin a multibillion-dollar program that is being watched all over the world to repair, replace or clean up engines to reduce pollution, the New York Times reported Monday.