Green Car Congress

JULY 28, 2017

A study by the University of California, Riverside College of Engineering Center for Environmental Research and Technology (CE-CERT) found that a Los Angeles County Metropolitan Transit Agency (Metro) bus equipped with an ultra-low emission natural gas engine performs significantly cleaner than its certification standards across all duty cycles.

Standards 199

Standards Gas Emissions Los Angeles 199

Green Car Congress

SEPTEMBER 26, 2012

The two-stroke engine has been favored for small recreational vehicles because of its high power density, low cost and simple, lightweight design, Oh said. —Faiz and Gautam (2004). Faiz, Asif; Gautam, Surhid (2004) Technical and policy options for reducing emissions from 2-stroke engine. Hydrogen two-strokes.

Engine 329

Engine Emissions Fleet Market 329

Green Car Congress

NOVEMBER 5, 2012

Because of their relatively low cost, high performance, and ability to utilize renewable fuels, internal combustion engines—including those in hybrid vehicles—will continue to be critical to our transportation infrastructure for decades.

Engine 291

Engine 2001 2012 Fuel 291