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2020 Chevrolet Silverado 1500 with new diesel delivers EPA-estimated 33 mpg highway; driver-selectable stop/start

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Duramax turbo-diesel engine delivers an EPA-estimated 33 mpg highway and 23 city in rear-wheel-drive models. EPA-estimated fuel economy for four-wheel drive models is 29 mpg highway/23 city. The truck draws on innovative technologies to deliver impressive fuel economy and a refined customer experience. The Duramax 3.0L

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Eaton expands valvetrain portfolio for off-highway vehicles to help reduce CO2 and NOx

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Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy. This technology enables precise valve lift control through HLA, coupled with engine braking capability, which in turn helps reduce emissions and improve fuel economy.

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EPA Report: data show automakers on track in meeting Greenhouse Gas Standards after first year

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On Friday, the US Environmental Protection Agency (EPA) released a Manufacturers Performance Report that assesses the automobile industry’s progress toward meeting greenhouse gas (GHG) emissions standards for cars and light trucks in the 2012 model year—the first year of the 14-year program. A note on methodology and values.

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Transonic Looking at Final Funding Round This Year, Production Deployment of Supercritical Fuel System in 2014; 50-75% Improvement in Engine Fuel Economy

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TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. The company currently is optimizing the system for use in modern high-compression diesel architecture engines, near-term running on gasoline while longer-term utilizing advanced low-carbon fuels. L/100km) EPA city and 48 mpg (4.9 Source: Transonic.

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Ford study shows Rankine waste heat recovery system on a light-duty vehicle could almost meet full vehicle accessory load on highway cycle

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Inputs into the model include exhaust mass flow rate and temperature downstream of the catalytic converter, ORC component size and geometry. The evaporator was a shell-and-tube type design with exhaust gas passing through the tubes. Using the simplest ORC design (exhaust gas alone as the source of thermal input—i.e.,

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Fraunhofer characterizes Alphabet Energy thermoelectric PowerCard; up to 5% fuel economy improvement in automotive

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The company has now announced characterization from the Fraunhofer Institute for Physical Measurement Techniques IPM of heat flow and thermal resistance (in air) of the Alphabet Energy PowerCard , the company’s core thermoelectric device for power generation. US EPA CAFE Standards). Earlier post.). The PowerCard.

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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

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This week in Washington, the company held a series of media drives (“TDI Efficiency Rally”) for the Q5, A6 and A7 diesel models to highlight their efficiency and performance, and also offered up its—as well as several other experts’—perspectives on the potential for diesel in the US market. V6 TDI diesel engine. Earlier post.)

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