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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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University of Wisconsin Researchers Investigating Dual-Fuel (Gasoline and Diesel) Partially Premixed Combustion for High-Efficiency, Ultra-Low Emission Combustion; 53% Thermal Efficiency

Green Car Congress

The dual-fuel PCCI strategy showed thermal efficiency of 53%. Emissions under the dual-fuel concept, at 11 bar IMEP. The horizontal axis shows the percentage of gasoline in the blend. Kalghatgi and his group explored both the use of low-cetane fuels and exhaust gas recirculation (SAE 2007-01-0006). Rolf Reitz.

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ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

Pressure on the RFS2 has increased as statutory mandated volumes of biofuel exceed the “blendwall” of 10% ethanol in gasoline. Primary technical concerns with using intermediate-level blends of ethanol in the vehicle fleet include: Fuel economy. the optimal air/fuel ratio for ethanol blends is lower than for pure gasoline.

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Toyota introduces new 2020 Highlander and hybrid at New York International Auto Show; TNGA-K platform

Green Car Congress

Arriving in Toyota dealerships in winter, the Highlander gasoline model will arrive in December 2019 and the Highlander Hybrid will make its way to customers in February 2020. Just as the first RAV4 launched the compact crossover SUV segment 22 years ago, the original Highlander redefined the midsize family SUV when it arrived in 2001.

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Ford now offering dual dry-clutch PowerShift and E85 options for new Focus in Europe

Green Car Congress

Ford is offering two additional, more fuel efficient, powertrain options for the Focus in Europe: the Ford PowerShift automatic with dual dry-clutch technology, and the Flexifuel derivative capable of utilizing E85 fuel. Helps to reduce fuel consumption by allowing lower engine speeds without unwanted NVH. Earlier post.)

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New 450hp Small Block V8 for 2014 Corvette features direct injection, cylinder deactivation, continuously variable valve timing

Green Car Congress

The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support a new advanced combustion system with an 11.5:1 New, cam-driven fuel pump. Four-into-one exhaust manifolds.

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National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

researching, validating, and deploying technologies and methods that save fuel through more efficient operations of trucks and transportation systems. researching, validating, and deploying technologies and methods that save fuel through more efficient operations of trucks and transportation systems. gallons/1,000 ton-miles.

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