Over the past few years, you've likely heard increasingly more about flex-fuel vehicles, even if you didn't fully understand what they were. Today, a number of known flex-fuel benefits exist. However, ...

Anti-Permeation Fuel System Liners: When gas saturates the various parts of the fuel system, vapor can leak out and evaporate. PZEVs have specially designed fuel system liners that prevent off-gassing ...

A Cummins V8 Pickup Truck? For decades, we have all been accustomed to seeing the word "Cummins" flanking the sides of diesel-powered Dodge and now Ram heavy-duty pickup trucks. In 2016, the highly ...

The automaker has started building prototypes ahead of series production in 2028. BMW has started building prototypes of its third-generation hydrogen fuel-cell system. It's in preparation for the ...

Electric fuel pumps play a crucial role in any vehicle’s fuel system. Their job is to ensure fuel is transported from the tank to the engine at the accurate pressure and flow rate. They are typically ...

The L87 is a 6.2-liter, eight-cylinder engine from General Motors that’s used in a range of pickup trucks and SUVs. Featuring an OverHead Valve (OHV), or “push-rod” design in a “V” configuration, the ...

The CH-47D Chinook is the U.S. Army’s primary heavy troop and supply transport aircraft. Originally fielded in the Vietnam War, the CH-47 has undergone a series up upgrades to increase lift and ...

CO2-neutral hydrogen fuel cell systems can contribute to decarbonizing long-haul heavy-duty transportation. For operators, total cost of ownership (TCO) remains a key factor. However, cellcentric said ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...