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First orders for MAN G80 dual-fuel methanol engine

Green Car Congress

The engines, which are capable of operation on green methanol and conventional fuel-oil, represent the first order for the G80 bore size; they will also feature MAN Energy Solutions’ proprietary EGR (Exhaust Gas Recirculation) systems.

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Study finds POMDME-diesel blends cut soot up to 34% with no NOx increase

Green Car Congress

The team examined blends of 5% and 10% POMDME in diesel in a single-cylinder heavy-duty diesel engine to gain an overview of the blend’s impact on engine performance and exhaust emissions. A paper on their work appears in the journal Fuel. Left: Smoke emissions. Right: NO x emissions. Iannuzzi et al. Click to enlarge. wt% OME2; 15.50

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EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

Conversion systems allow vehicles to run on alternative fuels; most conversions involve switching gasoline or diesel vehicles to operate instead on a gaseous fuel such as natural gas or propane; an alcohol fuel; or electricity. Exhaust, Evap, and OBD testing 2. Exhaust and Evap testing + OBD attestation.

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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 ISL G NZ features the same stoichiometric cooled Exhaust Gas Recirculation (SEGR) combustion technology and spark ignition as the ISL G natural gas engine. The Cummins Westport ISL G and ISX12 G spark ignited natural gas engines use Stoichiometric combustion with cooled exhaust gas recirculation (EGR) and a Three-Way Catalyst (TWC).

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

collectively referred to here as Volkswagen). During EPA emission testing, the vehicles’ ECM ran software which produced compliant emissions results under an ECM calibration that VW referred to as the “dyno calibration”. … The NOV alleges that Volkswagen and Audi cars from model years 2009-2015 equipped with 2.0-liter,

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SEAT pushes forward with CNG line-up

Green Car Congress

In normal driving scenarios, SEAT’s CNG vehicles only use gasoline as an alternative fuel when the CNG tanks are empty, although with significant gas ranges, the need to use gasoline should be infrequent. The new SEAT Arona TGI is available in all versions—Reference, Style, Xcellence and FR—featuring a 1.0

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DOE to award up to $137M for SuperTruck II, Vehicle Technology Office programs

Green Car Congress

Volvo Technology of America LLC will develop and demonstrate a tractor trailer combination with lightweight cab that achieves the freight efficiency goal using alternative engine designs and a variety of system technologies. valve faces, piston crowns, and exhaust ports) to improve fuel economy. Description. Federal funding.

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