These hulking diesel engines power the economy with massive torque, hundreds of horsepower, and hard-driving reliability.

Kenworth discontinued the K100 in 2002 due to a gradual decline in popularity, brought on by regulation changes that reduced ...

Currently, six of the biggest semi-truck brands in the country utilize Cummins diesel engines including Freightliner, International, Kenworth, Peterbilt, Volvo, and Western Star. Let's take a ...

Among those who agreed to the deal is diesel engine giant Cummins ... A battery-powered Tesla semi-truck. Tesla California is the largest market for such vehicles, and because the deal was ...

As the trucking industry struggles to recruit drivers, driverless trucks won’t need sleep, won’t speed and won’t get road ...

The eureka moment: Barber and company realized the same principle could hold true for a big rig. Semi-trucks carry huge diesel engines, around 15 liters, to move the weight of the truck and its load.

"The four dominant manufacturers of semi-trucks in the United ... on the nation's top four big rig makers, claiming they're colluding to eliminate diesel engines and move to all-electric.

so wide adoption of the Tesla Semi (or EV trucks like it) could be a big boon to the environment—especially if the electricity used to recharge those trucks is sustainably sourced from wind or ...