ANAHEIM, California—Volvo Trucks North America now has a diesel engine that meets stringent California emissions regulations, the OEM announced during the Advanced Clean Transportation Expo. Volvo ...

Volvo Trucks North America announced that it will apply for certification of its CARB-24 Omnibus compliant engine. The OEM added that it expects the new engine meet the California Air Resources ...

If you've ever ridden a mountain bike, you'll know that the lower gears help you get up to speed more easily. Conversely, the higher gears help you go faster overall, maintaining that speed. It's the ...

Start/stop systems are among the simplest ideas in automotive history—turn off the engine when you don’t need it, save fuel, and start again when you do. Passenger cars embraced this decades ago, but ...