Detroit Diesel was once one of the most prolific engine builders out there. But its success didn't last forever, leaving it ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Pictured is a New Flyer Xcelsior hybrid-electric 40-foot transit buses ordered by the Phoenix Public Transit Department. New Flyer is using propulsion agnostic engines to allow the company to sell ...

Rapid Bus has launched a proof-of-concept project to convert four diesel buses into electric vehicles (EV) in collaboration ...

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

Driver Lupe Medrano is excited about Goleta Union’s new battery-powered buses, and so were the kids she dropped off from school. Credit: Isabella Genovese / Noozhawk photo The Goleta Union School ...

Q: Dear Ask Us Guy, Because federal grants are available to pay virtually the entire cost of electric buses (e-buses) as well as the infrastructure necessary to charge them, why does the city of ...

IC Bus has started customer shipments of its first CE Series school buses with the Cummins ISB 6.7-liter engine. The first units were released this week from the company’s Tulsa, Okla., assembly plant ...

More public buses are ditching diesel engines for battery packs and hydrogen fuel-cell power. But in recent years, this newer, greener tech has encountered industrywide manufacturing challenges and ...