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Oil rallied on optimism that consumption could gradually return as major producers continue to cut output to counter a global glut.

Startup Amply Power has raised $13.2 million from investors including Soros Fund Management to advance the company’s electric-vehicle charging service for commercial fleets.

Oil resumed losses after a brief bounce higher amid the aftershocks of a major index tracked by billions of dollars in funds exiting near-term contracts for fear prices may turn negative again.

The California Air Resources Board has conditionally approved a slate of regulatory amendments intended to more closely monitor the additives blended into B20 biodiesel that so far have not been deemed effective at mitigating oxides of nitrogen in the alternative diesel fuel.

As engine oil suppliers develop new formulations to protect diesel engines and enhance their efficiency, some are paying particularly close attention to the performance of exhaust aftertreatment systems.

The nationwide average price of diesel fuel continued its fall this past week, declining 4.3 cents per gallon.

Oil slumped below $12 a barrel as the biggest oil ETF said it will sell out of its June WTI futures position, adding to the downward pressure from a huge glut.

Clean Energy Fuels Corp. announced it launched an online calculator to estimate the cost of transitioning an individual vehicle or an entire fleet to natural gas from diesel fuel.

A hydrogen-powered commercial truck built by Hyundai was set to begin hauling groceries in Switzerland in April, representing the first of 1,600 fuel cell electric trucks that the manufacturer plans to put on highways in the Alpine nation by 2025.

Oil is set to edge lower for the week after recovering from a dramatic collapse April 20 that saw prices in New York plunge below zero for the first time in history.