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

Green Car Congress

Empa, together with FPT Motorenforschung AG Arbon, Politechnico di Milano, lubricant manufacturer Motorex and other partners, is exporing the use of DME as a fuel for heavy-duty engines. A DME test engine has been in operation on a dynamometer in Empa’s Automotive Powertrains Technologies Laboratory. Image: Empa. —Patrik Soltic.

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

Green Car Congress

Cummins Westport (CWI) announced its model year 2018 dedicated natural gas engines for regional haul truck / tractor, vocational and transit, school bus, and refuse applications at the Alternative Clean Transportation (ACT) Expo in Long Beach, California. The letter “N” denotes engines that are fueled by natural gas.

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

Green Car Congress

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances.

Engine 271
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New SoCalGas truck loan program for fleets interested in switching from diesel to near-zero natural gas trucks

Green Car Congress

Southern California Gas Co. The program allows qualified fleet owners the opportunity to try out the latest in heavy-duty natural gas truck technology by test-driving a 12L near-zero truck. Additionally, fleet owners will see the advantages natural gas trucks have over diesel, including lower fuel costs. g/bhp-hr) since 2001.

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

Green Car Congress

CWI) announced that orders are being processed and production of the ISL G Near Zero (NZ) NO x natural gas engine ( earlier post ) has commenced. Exhaust emissions of the ISL G NZ are 90% lower than the current EPA and ARB NO x limit of 0.2 g/bhp-hr and also meet the 2017 EPA greenhouse gas (GHG) emission requirements.

Engine 150
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CWI ISL G Near Zero natural gas engine certified to near zero NOx; 90% below current standard

Green Car Congress

CWI) announced that its new ISL G Near Zero (NZ) natural gas engine is the first mid-range engine in North America to receive emission certifications from both US Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California that meet the 0.02 g/bhp-hr) since 2001. Cummins Westport Inc.

Gas 150
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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. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.

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