Remove 2007 Remove Clean Remove Engine Remove Exhaust
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

Santa Monica signs 5-year deal with Clean Energy for renewable LNG for bus fleet; deploying CWI Near-Zero NOx engine

Green Car Congress

The City of Santa Monica, California has awarded Clean Energy a multi-year liquefied natural gas (LNG) contract to fuel its Big Blue Bus (BBB) fleet of vehicles. BBB began using Redeem by Clean Energy in January 2015. This reduces engine related methane emissions by 70%. Earlier post.). ISL G Near-Zero 0.02 Earlier post.)

Clean 150
article thumbnail

Study finds truck fleet clean-up significantly decreases engine emissions near Port of Oakland

Green Car Congress

Pollutant concentrations were measured at high time resolution in the exhaust plumes of more than a thousand drayage trucks as they drove toward the Port on a major access road. Emission factors were matched to data from a statewide drayage truck registry, including engine make, model year, and installed emission control equipment.

Oakland 150
article thumbnail

EPA making $20M available for clean diesel projects

Green Car Congress

The US Environmental Protection Agency (EPA) has issued a Request for Proposals ( EPA-OAR-OTAQ-12-05 ) with up to $20 million in FY 2012 grant funding to establish clean diesel projects aimed at reducing pollution from the existing fleet of diesel engines. Engine Upgrades: up to 50% of the cost of eligible engine upgrades.

EPA 225
article thumbnail

Cummins Westport begins development on new mid-range natural gas engine; production by 2015

Green Car Congress

liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by natural gas. G engine will be based on the Cummins ISB6.7 diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. The base engine is.a

Gas 240
article thumbnail

DUH says testing indicates use of defeat device in BMW 320d diesel

Green Car Congress

The main cause for the higher on-road values ​​is that the exhaust gas recirculation (EGR) is in some cases practically switched off under certain conditions, DUH said. This full-bodied promise is in clear contradiction to the results of the exhaust and software investigations of the BMW 320d, DUH charged.

BMW 207
article thumbnail

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

Green Car Congress

Nationally, 44% of the diesel transit buses meet or exceed the first EPA clean diesel standard—Model Year 2007 or newer—while 33% of the US truck fleet meet or exceed the standard. New clean diesel buses have reduced both NO x and particulate matter emissions by 98% compared to 1988 buses. —Ezra Finkin.

Fleet 247