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Pinnacle’s opposed-piston scooter engine can meet NOx target with lean operation and ignition delay; little fuel economy hit

Green Car Congress

For the target market (the Asian scooter market), the low NO x capability of the Pinnacle engine provides a significant cost benefit to manufacturers. When the entire vehicle costs around $700, that’s a significant difference. Four engine control modes were evaluated with the goal of reducing NO x and minimizing fuel economy impact.

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Alumobility study: aluminum top hat provides automakers a lighter, sustainable alternative

Green Car Congress

Introduced at Automotive Circle’s annual EuroCarBody conference, the study’s aluminum top hat achieved 42% weight savings compared to the reference top hat of the current Audi e-tron electric SUV, which uses advanced (AHSS) and ultra-high-strength steels (UHSS). —Mark White, Executive Director of Alumobility.

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.

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ExxonMobil projects 25% energy demand increase between 2014-2040, 50% decline in carbon intensity; hybrids to be 40% of new car sales

Green Car Congress

At the same time, energy efficiency gains and increased use of renewable energy sources and lower carbon fuels, such as natural gas, are expected to help reduce by half the carbon intensity of the global economy. Global vehicle fuel efficiency - projections. On-road fuel economy varies significantly by region.

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

Green Car Congress

variant but with fuel economy of a strong hybrid. Engine downsizing is central to Ricardo’s gasoline engine roadmap for future CO 2 and fuel economy improvements. to 1, and that gap will widen to a 16 to 1 ratio by 2017 because of the lower cost of SSVs compared to HEVs. Click to enlarge. Click to enlarge.

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GM Expects Chevrolet Volt to Deliver 230 mpg in City Driving Based on EPA Draft Methodology

Green Car Congress

Based on the same draft EPA methodology, the Volt would also deliver “ triple-digit ” combined cycle fuel economy along with combined cycle electricity consumption of 25 kWh/100 miles, according to GM. At the US average cost of electricity (approximately 11 cents per kWh), GM calculates that a typical Volt driver would pay about $2.75

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From Recreation to Everyday Transport: The Growing Appeal of E-Bikes

Plug in America

The cost of an e-bike ranges from $500 to thousands of dollars, with the average price around $2,500, according to the National Conference of State Legislatures. lawn equipment is not subject to federal regulation like greenhouse gas emissions standards and Corporate Average Fuel Economy, or CAFE, standards.