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To deliver an electric vehicle that’s cheaper, safer and capable of traveling 500 miles on a single charge, the auto industry needs a breakthrough in battery technology. Easier said than done.

In the debate over climate change, the heaviest polluters — think: power plants, trucks and cars — get the most attention from policymakers. New research suggests a broader view might be called for.

LAS VEGAS — Peterbilt Motors Co. has unveiled an all-electric medium-duty truck, adding a third model to its emerging electric-vehicle lineup.

Drillers in the Eagle Ford, a Texas shale oil patch, likely will scale back activity in 2019 as lower crude prices eat into cash flows, according to consulting firm Rystad Energy AS.

The U.S. average retail price of diesel dropped 3.5 cents to $3.013 a gallon, the U.S. Energy Information Administration reported Jan. 7, even as crude oil prices saw renewed vigor and broached the mark of $50 per barrel.

LAS VEGAS — Daimler Trucks North America announced SAE Level 2 automated driving will be available beginning in July on its flagship Freightliner Cascadia model, calling it an industry first.

Infrastructure and trade loom large for trucking in the year ahead as freight carriers adjust to a slower, but still positive, rate of economic growth in 2019, according to industry experts interviewed by Transport Topics.

The U.S. average retail price of diesel dropped 2.9 cents to $3.048 a gallon, the U.S. Energy Information Administration reported, as crude oil prices hovered around $45 per barrel.

Oil started 2019 with another price slide as weaker Chinese manufacturing data pointed to slowing demand in the world’s second-biggest consumer of the fuel and to growing risks of a global crude surplus.

The U.S. may be exporting natural gas at a record clip, but that hasn’t stopped it from accepting new imports. A tanker with fuel from Nigeria is sitting near the Cove Point import terminal in Maryland, while a second ship with Russian gas is idling outside Boston Harbor.