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Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. 100 N·m, power ?

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fuel economy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%. Click to enlarge.

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EU-funded project develops diesel engine for light helicopters

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EU-funded scientists developed a novel 320 kW (429 hp) diesel engine for light helicopters as an alternative to conventional turboshaft engines. The technology demonstrated substantial reductions in fuel consumption and emissions. The engine weight is the crux of the project.

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Chrysler Group files S-1 for IPO; snapshot of R&D priorities; exploring a light-duty hydraulic hybrid

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It is focusing its efforts on five areas aimed at reducing fuel consumption and emissions: vehicle energy use (weight, aerodynamics, and rolling resistance); engines; transmissions; axles and drivelines; and hybrid propulsion and alternative fuel technologies. Vehicle energy use.

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UPS adding 200 more series hybrid delivery trucks

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UPS will add 200 new series hybrid electric delivery trucks to the company’s growing alternative fuel and advanced technology fleet. The improvements in these new package cars came from real-world experience in our alternative fuel Rolling Laboratory, which earlier this year hit a 1 billion miles driven milestone.

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Navigant forecasts global road transportation energy consumption to increase 25% by 2035; 84% from conventional fuels

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Navigant also projects that investments in alternative fuel and fuel efficiency improvements will reduce annual energy consumption in the United States year-over-year. The alternative fuels market share will grow from roughly 7.4% —“Transportation Forecast: Global Fuel Consumption”.