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Talks between the U.S. and California on auto emissions standards have made little progress since President Donald Trump told his agencies to pursue a deal, according to a top state official, who’s holding out hope that the Environmental Protection Agency will get more involved.

A surge in demand is coming for diesel and related fuels as shipping companies close in on a deadline to reduce sulfur emissions.

Daimler Trucks, Renault Trucks, Scania AB, and other heavy vehicle manufacturers must calculate and report the carbon dioxide emissions of their new models starting Jan. 1, 2019.

FLAT ROCK, Mich. — Executives with the North American arm of engineering company Robert Bosch showed off an electric-hydraulic steering system for Class 8 trucks that they said will aid in the transition to autonomous commercial vehicles and announced a “breakthrough” in substantially reducing emissions of nitrogen oxide from diesel.

Lawsuits over EPA’s April fuel economy determination are more than just a pre-emptive strike, challengers say: They’re an effort to force the agency to consider thousands of pages of its own data as it considers weakening emissions limits for passenger cars.

A group representing the vast majority of the world’s ship owners said world trade is at risk if issues surrounding new fuel rules aren’t resolved quickly, providing the starkest warning yet as to the potential impact of regulations that are due to enter into force in less than two years’ time.

Brent crude will reach $90 a barrel by 2020 as new international shipping regulations take effect, overhauling the types of fuels produced by refiners, Morgan Stanley analysts said in a report.

This spring, the U.S. Environmental Protection Agency awarded nearly $6.4 million to the San Joaquin Valley Air Pollution Control District to replace older diesel trucks for those that run nearly 90% cleaner, and older farm tractors for those that meet the latest emissions standards.

The Trump administration is preparing to battle California’s tough car pollution regulations using an approach that federal courts already have rejected. Twice.

California isn’t rolling over as the Trump administration moves to toss Obama-era vehicle emission standards.