Green Car Congress

OCTOBER 11, 2014

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

Fuel Economy 312

Fuel Economy EPA PHEV Economy 312

Green Car Congress

OCTOBER 10, 2014

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

Fuel Economy 230

Fuel Economy MPG Economy EPA 230

Green Car Congress

JUNE 28, 2010

Southwest Research Institute (SwRI) has successfully demonstrated that its HEDGE (High-Efficiency, Dilute Gasoline Engine) technology, using cooled exhaust gas recirculation (EGR) and advanced ignition systems, suppresses low-speed pre-ignition in turbocharged gasoline direct-injection engines. Earlier post.).

Engine 186

Engine Fuel Economy Gasoline Emissions 186

Green Car Congress

AUGUST 30, 2009

In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. The level was raised to 25% over the next five years, which was intended to maintain a constant Brazilian gasoline supply for an ever-increasing demand.

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

JUNE 4, 2010

Using a 2007 base vehicle, the committee estimated the potential fuel savings and costs to consumers of available technology combinations for three types of engines over that timeframe: spark-ignition gasoline, compression-ignition (CI) diesel, and hybrid. Engines and Technologies. Assessment of Technologies”.

Purchase 210

Purchase Lithium Ion Fuel Available 210

Green Car Congress

JUNE 16, 2011

According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. —“Assessment of Technologies” Spark-ignition technologies.

Fuel 210

Fuel Downsizing Fuel Economy Diesel 210