Green Car Congress

JANUARY 8, 2023

Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles.

Emissions 353

Emissions Pollution Exhaust London 353

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. Use of Hydrous Ethanol in the United States.

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

SEPTEMBER 14, 2015

The four SuperTruck projects jointly funded by DOE and the private sector are impressive projects that integrate a wide variety of engine and vehicle technologies to significantly reduce the fuel consumption of Class 8 tractor-trailer vehicles, which consume the greatest part of the fuel used in the United States for heavy vehicles.

MPG 150

MPG Miles 2009 Fuel 150

Green Car Congress

OCTOBER 23, 2012

Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The United States and California state averages shown are based on total on- and off-road use. SOA contributions from the two sources are equivalent at 6% diesel fuel use. Gentner et al. Click to enlarge. Earlier post.).

Diesel 281

Diesel Los Angeles Exhaust Gasoline 281