article thumbnail

Empa and partners exploring DME as fuel with new heavy-duty test engine

Green Car Congress

An electrically driven compressor for precise exhaust gas recirculation is also used. Then we modify the timing and pressure of the injection, among other things, and look at exhaust emission values and fuel consumption. This is done via exhaust gas recirculation (EGR). —Patrik Soltic.

Engine 410
article thumbnail

Environment Canada study finds vehicle exhaust a significant source of isocyanic acid; suggests consideration of new emission standard

Green Car Congress

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. mg kg fuel –1 and were significantly higher than previous biomass burning emission estimates.

Exhaust 207
article thumbnail

Eni and FCA develop A20: 15% methanol, 5% ethanol high-octane gasoline blend

Green Car Congress

Within the scope of an agreement signed in November 2017 ( earlier post ), Eni and FCA have developed “A20”, a new fuel with a low level of emissions due to its 15% methanol and 5% bio-ethanol alcohol content. An initial test run of five Fiat 500s from the Eni Enjoy fleet in Milan ended successfully a few weeks ago.

Gasoline 247
article thumbnail

Swiss team concludes that particulate filters should be mandatory for GDI engines

Green Car Congress

In the spring 2014, the GasOMeP project (Gasoline Vehicle Emission Control for Organic, Metallic and Particulate Non-Legislative Pollutants) got underway. The carcinogenic potential in one cubic meter of exhaust gas from gasoline direct injectors is up to 1,700 times higher than the EU limit for clean air. Click to enlarge.

Engine 271
article thumbnail

New SoCalGas truck loan program for fleets interested in switching from diesel to near-zero natural gas trucks

Green Car Congress

The ISX12N and the Cummins L9N are the lowest certified NO x emission engines available in North America. NO x exhaust emissions are 90% lower than the current EPA NO x limit of 0.2 g/bhp-hr, and the engines also meet or exceed the 2017 EPA greenhouse gas (GHG) emission requirements. g/bhp-hr) since 2001.

Gas 252
article thumbnail

Cummins Westport announces MY 2018 natural gas engine line-up; near zero NOx

Green Car Congress

Our 2018 product line demonstrates an important milestone in product development for Cummins Westport, creating a move to zero emissions strategy for our customers and industry. The new ISX12N and L9N will be the lowest certified NO x emission engines available in North America. g/bhp-hr) since 2001. g/bhp-hr) since 2001.

2018 170
article thumbnail

Cummins Westport begins production of ISL G Near Zero NOx natural gas engine; first commercially available near zero NOx MidRange engine

Green Car Congress

liter ISL G NZ is the first MidRange engine in North America to receive emission certification from both US Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California to meet the optional 0.02 Exhaust emissions of the ISL G NZ are 90% lower than the current EPA and ARB NO x limit of 0.2 Earlier post.).

Engine 150