article thumbnail

California ARB: GHG emissions fell below 1990 levels for first time in 2016; down 13% from 2004 peak; transportation emissions up 2%

Green Car Congress

The California Air Resources Board (CARB) announced that greenhouse gas emissions in California in 2016 fell below 1990 levels for the first time since emissions peaked in 2004—a reduction roughly equivalent to taking 12 million cars off the road or saving 6 billion gallons of gasoline a year.

2004 225
article thumbnail

UCR study finds ultra-low emission natural gas bus exceeds federal and state NOx standards; as low as 0.0007g/bhp-hr

Green Car Congress

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
article thumbnail

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

However, it has been blighted by very high unburned hydrocarbon (HC) emissions that, as a result of ever more stringent regulations, have caused it to be almost entirely forced out of the market in favor of four-stroke replacements. For one, the [California Air Resources Board] CARB-established limit of HC+NO x emissions in the 7.4

Engine 329
article thumbnail

EPA SmartWay honors 44 freight carriers for exceptional supply chain efficiency

Green Car Congress

Awardees represent the top one to two percent of environmentally-responsible SmartWay carriers that conduct freight operations with lower emissions and less energy. Since 2004, SmartWay Partners have avoided emitting more than 72 million metric tons of carbon pollution, while saving more than 170 million barrels of oil and $24.9

EPA 199
article thumbnail

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Green Car Congress

The California Air Resources Board directed its staff to take steps to provide further locomotive and rail yard emission reductions beyond those achieved by existing US Environmental Protection Agency and state regulations and agreements. While we are pleased to have already reduced diesel emissions at the rail yards, it’s not enough.

Diesel 170
article thumbnail

Toyota Joint-venture engine plant in China begins production of advanced four-cylinder engines

Green Car Congress

The AR is an advanced engine that offers improved fuel efficiency despite its larger displacement, along with higher maximum output, cleaner emissions, and lower noise output. GTE was established in 2004 as a supply base for engines and engine parts in China. The engine comes in three displacements: A 2.5-liter, liter, a 2.7-liter

Engine 231
article thumbnail

Big Blue Bus investing $18.2M to upgrade bus fleet; Cummins-Westport Near-Zero NOx engines

Green Car Congress

million in Federal Transit Administration (FTA) and California Proposition 1B Bond funds to replace fifty 40-foot New Flyer buses purchased between 2004 and 2006. Big Blue Bus also begun to retrofit buses with the Cummins-Westport ISL G Near-Zero emission engines, reducing NO x emissions in these buses by 95%. Earlier post.).

Fleet 199