Remove 2007 Remove Diesel Remove Exhaust Remove Technology
article thumbnail

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

Exhaust 150
article thumbnail

Health Effects Institute to release Executive Summary of ACES new-technology diesel results this fall

Green Car Congress

The Summary will be the synopsis and final publication from the program to characterize the emissions and assess the health effects of new-technology diesel exhaust (NTDE) from heavy-duty diesel engines that meet the 2007 and 2010 regulations enacted by the US Environmental Protection Agency (EPA). Earlier post.)

Diesel 150
article thumbnail

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

Green Car Congress

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Their paper is published in the ACS journal Environmental Science & Technology. Manufacturers have responded with different technologies and engine control strategies for compliance.

Exhaust 218
article thumbnail

US transit agencies adopting lower-emissions diesel at faster rate than HD truck fleet

Green Car Congress

US transit agencies are adopting lower-emissions diesel technology at a faster percentage than the heavy-duty trucking fleet, said Ezra Finkin, the Director of Policy for the Diesel Technology Forum, at last week’s American Public Transportation Association (APTA) Expo Bus and Maintenance Technical Session in Houston.

Fleet 247
article thumbnail

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. ACES is a multi-party five year initiative to test the emissions and health effects of new technology diesel engines to document the improvements that have been made and to ensure that there are no unintended emissions from this new technology.

Diesel 296
article thumbnail

ULEMCo delivers first hydrogen-diesel dual-fuel refuse trucks to Fife Council in Scotland

Green Car Congress

ULEMCo, the developer of a hydrogen-diesel dual fuel conversion system for commercial vehicles, has delivered its first hydrogen dual-fuel refuse vehicles to Fife Council in Scotland. A diesel pilot injection initiates combustion of the hydrogen, which is stored onboard at 350 bar. InTech, doi: 10.5772/54613.

Hydrogen 170
article thumbnail

Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

Green Car Congress

Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. ” One of our primary goals and objectives is to level the playing field for clean diesel vehicles.

Diesel 366