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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 l/100 km) for a vehicle of that size. Earlier post.). Source: Cummins. Click to enlarge.

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Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

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The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The new powertrains are also up to 90 kg lighter than the present ones and fuel economy is improved by up to 35%. It covers the range from high-power and -torque variants to fuel-efficient derivatives.

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Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

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Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. The R-Line range itself has been extended to five vehicles. The Beetle and Beetle Convertible 2.5-liter liter engine will be replaced by the 1.8-liter liter turbocharged four cylinder during the 2014 model year. s hydraulic setup.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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variant but with fuel economy of a strong hybrid. HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge. Click to enlarge.

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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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to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. It avoids pumping work through the turbocharger to improve fuel economy, and by phasing the two cams, the lobes, relative to each other we can actually modulate boost. improvement in fuel economy on an E-class vehicle (e.g.,

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge.

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Consumer Reports survey shows high fuel costs cause downsizing, less driving; 73% would consider alt fuel vehicle

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Two-thirds of owners surveyed said they expect their next vehicle to get better fuel mileage than the one they’re driving now, and fuel economy topped the list as the most important consideration when shopping for their next car, followed by quality and safety.