Remove Convert Remove Exhaust Remove Fuel Economy
article thumbnail

GM develops integrated exhaust manifold cylinder head for 3.6L V6 direct injection engine; improvement in performance, fuel economy, emissions and noise

Green Car Congress

The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L direction injection V6, achieving both better fuel economy while reducing emissions.

article thumbnail

Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Green Car Congress

A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. A paper on their work is published in the ACS journal Energy & Fuels. Click to enlarge. Unlike high-temperature reforming, supplementary water is not required.

article thumbnail

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

Green Car Congress

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 Exhaust system configuration. Earlier post.). l/100 km) for a vehicle of that size.

article thumbnail

Tenneco/Gentherm showcasing prototype of thermoelectric generator for waste heat recovery; targeting 5% fuel economy improvement

Green Car Congress

Tenneco and Gentherm (formerly BSST/Amerigon) are part of a US Department of Energy (DOE) consortium actively developing a thermoelectric generator (TEG) for capturing waste exhaust heat in vehicles and converting it to electrical energy to be used to power electrical systems within the vehicle.

article thumbnail

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. —FEV analysis.

article thumbnail

New 2011 Ford F-Series Super Duty Improves Fuel Economy Up to 25% with New Diesel and 15% With New Gasoline Powertrains; New Transmission Plays Key Role in Improved Economy

Green Car Congress

Ford’s all-new 2011 Ford F-Series Super Duty trucks are equipped with new diesel and gasoline engine powertrains that deliver improvements in torque, horsepower and fuel economy. liter V-8 gas engine average a 15% improvement in fuel economy versus 2010 models. Trucks equipped with the new base 6.2-liter

article thumbnail

Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

Green Car Congress

The 2015 CR-V features increased EPA fuel economy ratings of 27/34/29 mpg (8.7/6.9/8.1 A lightweight cylinder head made of pressure-cast aluminum alloy uses front-located exhaust ports that provide greater freedom in the layout of the close-coupled catalytic converter which mounts directly to the cylinder head.