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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% Therefore, turbocharged engines typically require more design and operational features to prevent engine knock than naturally aspirated engines. of new gasoline-fueled LDV sales. of the market.

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2013 Toyota Avalon features both gasoline and hybrid powertrains; hybrid expects a 40-mpg combined EPA-rating

Green Car Congress

Toyota will introduce both gasoline and hybrid powertrain versions of the North American designed and engineered 2013 Avalon. The conventional 2013 Avalon will feature a proven 3.5-liter, The new transaxle is equipped with a numerically lower differential gear drive ratio (3.23), designed to help improve fuel economy.

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DOE and EPA release annual fuel economy guide with 2013 models

Green Car Congress

The US Environmental Protection Agency (EPA) and the Department of Energy (DOE) released the 2013 Fuel Economy Guide. The 2013 models include efficient and low-emission vehicles in a variety of classes and sizes, but notable this year is the growing availability of hybrids and the increasing number of electric vehicles.

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

Green Car Congress

Cost of the new engine relative to gasoline baseline. In 2013, the Cummins-led team demonstrated a Tier 2 Bin 5 version of the engine on the dyno, and then on a vehicle, while development of the Tier 2 Bin 2 engine started. Cummins made extensive use of aluminium as well as space-saving design features for new engine weight control.

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EPA proposes to include Southern Maine in the Federal Reformulated Gasoline Program

Green Car Congress

EPA is proposing , at the request of the State of Maine, to require the sale of reformulated gasoline ( RFG ) in York, Cumberland, Sagadahoc, Androscoggin, Kennebec, Knox and Lincoln counties in southern Maine starting in June 2015. About 30% of gasoline sold in the US is reformulated.

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UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

Green Car Congress

A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. The device has the added benefits of reducing noise from the lawnmower and the smell of gasoline.

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UC Berkeley study quantifies LD gasoline on-road emissions

Green Car Congress

Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.

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