Green Car Congress

JULY 18, 2016

The National Park Service (NPS) originally deployed the propane buses in 2000 to reduce congestion along the park’s main traffic corridor. Nearly 60% of NPS-owned vehicles operate on alternative fuels. NREL is evaluating the drive-cycle characteristics of a fleet of propane-powered shuttle buses operating at Zion National Park.

Conversion 150

Conversion Alternative Fuels 2000 Energy Storage 150

Green Car Congress

JULY 21, 2009

The standard FedEx trucks used in the retrofit program were 2000 or 2001 models with 300,000 to 500,000 miles driven. In converting the standard delivery vehicles, the powertrain equipment, including the engine, transmission, fuel tank and drive shaft, were replaced with a Cummins 6.7L

Convert 170

Convert Fleet Hybrid Eaton 170

Green Car Congress

NOVEMBER 21, 2013

Create electricity on-board with hydrogen-powered fuel cell technology. While the battery electric vehicle has made progress in recent years, with improved affordability and energy storage capability, for most consumers, range anxiety and lengthy recharging time remain formidable obstacles, Hyundai said.

Tucson 324

Tucson Honda Hyundai Concept 324