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Mack Granite CNG truck exclusively equipped with Allison’s 4500 Rugged Duty Series transmission

Green Car Congress

When Mack set out to develop a vehicle for refuse collection customers seeking an alternative fuel solution, they were able to pair the proven 4500 RDS transmission with a 320-horsepower Cummins L9N engine. The 4500 RDS fully automatic transmission has been offered in the Mack Granite diesel model for more than 20 years.

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Deltamarin introduces new LNG-powered Kielmax container feeder design

Green Car Congress

This new design is based on extensive research and development work to establish the best-in-class design in terms of cargo capacity, flexibility and fuel economy, as well as the proven performance of the built Polar Code C.Delta2150 design. The daily main-engine fuel oil consumption using LNG (tier III) 30.8

Design 273
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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

Green Car Congress

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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DOE awarding $59M to 43 projects to accelerate advanced vehicle technologies research

Green Car Congress

Projects selected will accelerate the development of lithium-metal solid state batteries (materials, tools, and modeling); novel materials and designs for advanced electric motors; and combine new powertrain materials with new combustion regimes to improve fuel economy significantly. The projects are:

Vehicles 270
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DOE announces $59M to accelerate advanced vehicle technologies research

Green Car Congress

New designs of the sulfur cathode host to achieve high sulfur loading (>6 mg/cm 2 ) good sulfur utilization, minimal polysulfide diffusion, and limited excess electrolyte (goal of electrolyte to sulfur ratio of 3 ml/mg). Topic 2: Electric Motor Research Increasing Power Density 8x (up to $3.5

Vehicles 252
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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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Obama climate plan calls for new fuel economy standards for heavy-duty vehicles post-2018; cleaner fuels and investment in advanced fossil energy

Green Car Congress

Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Earlier post.).

Obama 249