Green Car Congress

AUGUST 16, 2022

PACCAR will work with Cummins to offer the new Cummins X15N natural gas engine ( earlier post ) in Kenworth and Peterbilt trucks. When operating on renewable natural gas (RNG or biomethane) the X15N engine will be able to achieve major reductions in the lifecycle greenhouse gas emissions of Peterbilt and Kenworth trucks.

Peterbilt 459

Peterbilt Kenworth Gas Engine 459

Green Car Congress

JANUARY 11, 2010

These projects will receive more than $115 million in funding to develop and demonstrate systems-level fuel efficiency technologies by 2015, including improved aerodynamics, reducing engine idling technologies, waste heat recovery to increase engine efficiency, advanced combustion techniques, and powertrain hybridization. 38,831,115.

Fuel Economy 199

Fuel Economy Downsizing Vehicles Waste 199

Green Car Congress

NOVEMBER 23, 2011

The 21CTP is a cooperative research and development (R&D) partnership including four federal agencies—the US Department of Energy (DOE), US Department of Transportation (DOT), US Department of Defense (DOD), and the US Environmental Protection Agency (EPA)—and 15 industrial partners. Finding 3-1. HYBRID VEHICLES. Finding 6-1.

EPA 199

EPA Fuel Engine Hybrid 199