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Clean Energy Fuels Corp. has introduced Zero Now, a fueling solution that combines what it calls the world’s cleanest engine technology with the cleanest fuel at a price of $1 per gallon for one year for a limited number of trucks.

Over and over in their decadeslong war on smog, Southern California regulators have failed to use a powerful tool against ports, warehouses and other freight and logistics hubs that are magnets for air pollution.

Planning cities to better accommodate trucks is one area of study the American Transportation Research Institute will delve into further this year, according to a press release issued by the organization April 2. ATRI’s board of directors recently approved the 2018 top research priorities identified by the institute’s Research Advisory Committee.

Three marketers of truck wheel accessories that reduce fuel consumption and vehicle wear and tear have joined to offer their products in a package called the MPG Smart Pack.

As the Trump administration begins to dismantle Barack Obama’s ambitious auto efficiency regulations, California is said to be poised to retaliate by doing something that automakers have feared: de-coupling the state’s rules with those set in Washington.

The U.S. average retail price of diesel rose 3.8 cents to $3.010 as the potential for conflict in the Middle East rose, lifting the price of crude above $65. It was the first increase in the average price of diesel after six consecutive declines that saw the price per gallon drop by 11.4 cents since Feb. 5.

Love’s Travel Stops & Country Stores added features to the Love’s Connect mobile app that allows professional drivers in the gas pump lane to select a payment account, choose a pump and activate it to start fueling.

Warren Buffett said his Berkshire Hathaway Inc. made only one “sensible” stand-alone acquisition last year, and it didn’t do much for his growing pile of cash.

The U.S. average retail price of diesel fell 0.4 cent to $2.972 as energy production in the U.S. remained strong and the price of crude oil stalled near $62 a barrel.