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Study finds diesel oxidation catalyst eliminates mutagenicity of diesel exhaust in gas phase

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A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. This can be achieved by direct measurement of the exhaust components.

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2012 Chevy Sonic with 1.4L Turbo delivers 40 mpg on highway

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2012 Sonic. The 2012 Chevrolet Sonic with the Ecotec 1.4L The Sonic’s highway fuel economy makes it one of the most fuel-efficient small cars in the market, with fuel economy equivalent to the 2012 Ford Fiesta SFE and on a par with the 2012 Hyundai Accent. Click to enlarge. turbo delivers an EPA-estimated 40 mpg US (5.9

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Ford and Azure Dynamics to Collaborate on Transit Connect Electric for Europe

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Ford Motor Company and Azure Dynamics Corporation have signed a collaborative agreement to begin delivering a pure battery electric version of the Ford Transit Connect van to customers in Europe beginning in late summer 2011. It will be rechargeable using standard European 220/240-volt outlets within 6 to 8 hours.

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Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

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In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. The two compact vehicles were a 2012 2.0L Ford Transit Connect PFI vehicle (PFI#2).

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Chevrolet displays new subcompact 2012 Sonic at Detroit Auto Show

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The 2012 Sonic. Chevrolet displayed the all-new subcompact 2012 Sonic—called the Aveo in other parts of the world ( earlier post )— at the North American International Auto Show. The 1.4L’s turbocharger is integrated within the exhaust manifold, for reduced weight and greater packaging flexibility in small vehicles.

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DENSO develops EGR valve unit with integrated air intake throttle valve

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Global automotive supplier DENSO has developed a new exhaust gas recirculation (EGR) valve unit that is the first to integrate an air intake throttle valve and an EGR valve; the new unit is half the size of conventional models and requires fewer components, thus reducing costs.

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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. Source: Borgwarner. Click to enlarge. and Sisson, J. and Becker, M.,