The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

On-road testing is a key milestone in demonstrating that Cespira’s hydrogen HPDI fuel system is a cost-effective solution that operates on a zero-carbon fuel while delivering best-in-class power, ...

Fuel card programs have evolved into increasingly sophisticated spending and data management systems. Many fleets are using fuel cards “less as simple payment tools and more as financial control and ...

Volvo begins on-road trials of hydrogen-powered combustion trucks, targeting net-zero emissions with HPDI tech, high ...

Philadelphia startup Voltify, which was founded on the vision of transforming the rail industry by decarbonizing it, has ...