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Shell/AirFlow Starship hyper-fuel efficient Class 8 truck to make cross-country run

Green Car Congress

Shell has partnered with the Airflow Truck Company to collaborate on a hyper-aerodynamic, fuel-efficient Class 8 concept truck: Starship. This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fuel economy for Class 8 trucks. of the engine.

San Diego 281
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Gen 3 Ecodiesel in 2020 Ram 1500 EcoDiesel delivers 480 lb-ft, leading fuel economy

Green Car Congress

liter V-6 EcoDiesel is also expected to lead the segment on fuel economy. Pricing and fuel economy ratings will be announced closer to the truck’s on-sale date. liter EcoDiesel V-6 delivers increased torque and horsepower, along with fuel economy and minimal levels of noise, vibration and harshness (NVH).

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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%.

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New 3.7L and 5.0L V8 Engines in Ford 2011 F-150 Full-Size Pickup Deliver Class-Leading Fuel Economy

Green Car Congress

liter V6 engine in the Ford 2011 F-150 full-size pickup (earlier post) is projected to deliver best-in-class 16 mpg city and 23 mpg highway in 4x2 configuration, pending EPA certification. liter EcoBoost truck engine. Each engine is mated to a fuel-saving six-speed automatic transmission. The all-new 3.7-liter

F-150 225
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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. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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BlueDIRECT 2.0L, 4-cylinder direct injection engine operates in stratified lean-burn or homogeneous modes. Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. Click to enlarge. l/100 km (43.6 Source: Vent et al.

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New Chrysler 300 Luxury Series sedan mates 8-speed automatic to V6 Pentastar; up to 17% improvement in fuel economy

Green Car Congress

Designed to be the most fuel-efficient Chrysler flagship sedan yet, the new 2012 Chrysler 300 Luxury Series combines an eight-speed automatic transmission with the 292 hp (218 kW) 3.6-liter liter Pentastar V-6 engine to deliver 31 mpg US highway (7.6 Best-in-class V-6 AWD fuel economy (18 mpg city, 27 mpg highway / 13.0