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- 5,000
- PSI (pounds per square inch) of pressure to which an AC Transit hydrogen bus fuel cell is filled(source: AC Transit)
By the Numbers
Hydrogen by the Numbers
- 90
- Percent of the universe by weight that‘s made of hydrogen (source: National Hydrogen Association)
- 1839
- Year the first fuel cell was invented(source: National Hydrogen Association)
- 5,000
- PSI (pounds per square inch) of pressure to which an AC Transit hydrogen bus fuel cell is filled(source: AC Transit)
- 15-20
- Number of minutes it takes to fill a hydrogen fuel cell bus to 5,000 PSI(source: AC Transit)
- 275-300
- Number of miles a hydrogen fuel cell bus filled to 5,000 PSI can travel before refueling(source: AC Transit)
- 5
- Number of Chevron hydrogen refueling stations in the US(source: Chevron)
- 40
- Years Chevron has safely worked with hydrogen fuel in refinery applications(source: Chevron)
- 3
- Number of hydrogen-powered buses AC Transit operates in the Oakland, CA area(source: AC Transit)
- 8
- Number of hydrogen-powered buses AC Transit will be operating in the Oakland, CA area in 2009(source: AC Transit)
- 0
- Amount of harmful emissions produced by an AC Transit hydrogen fuel cell bus(source: AC Transit)
- 70
- Top speed in MPH of an AC Transit hydrogen fuel cell bus(source: AC Transit)
- 19.51
- Approximate pounds of Particulates prevented by each AC Transit fuel cell bus to date (as of 9/6/07)(source: AC Transit)
- 1,611
- Approximate pounds of Nitrogen Oxide prevented by each AC Transit fuel cell bus to date (as of 9/6/07)(source: AC Transit)
- 307,666
- Approximate pounds of Greenhouse Gases prevented by each AC Transit fuel cell bus to date (as of 9/6/07)(source: AC Transit)
Diesel, Biodiesel and GTL Diesel by the Numbers
- 5,000
- PPM (parts-per-million) maximum count of sulfur for diesel 15 years ago(source: Auto Alliance)
- 500
- PPM (parts-per-million) maximum count of sulfur in Low Sulfur Diesel(source: Auto Alliance)
- 15
- PPM (parts-per-million) maximum count of sulfur in Ultra Low Sulfur Diesel (ULSD)(source: Auto Alliance)
- Under 5
- Typical PPM (parts-per-million) sulfur level in Gas-To-Liquid diesel (GTL)
- 80
- Minimum percentage of U.S. highway diesel that‘s currently Ultra Low Sulfur Diesel (ULSD)(source: US DOE)
- 100
- Percent of highway diesel sold in California that‘s Ultra Low Sulfur Diesel (ULSD)(source: California Air Resources Board)
- 20-40
- Percent more MPG a vehicle powered by a diesel engine gets on average versus its gasoline engine powered counterpart(source: Auto Alliance)
- 97
- Percent cleaner diesel fuel is today compared to the 1970s(source: Auto Alliance)
- 51
- Percent of all newly registered passenger cars in Europe that are diesel-powered(source: Auto Alliance)
- 0.2
- Percent of all “light duty” cars in the U.S. that are diesel-powered(source: Auto Alliance)
- 140 Billion
- Gallons of gasoline consumed by U.S. in 2005(source: API)
- 46 Billion
- Gallons of diesel consumed by U.S. in 2005(source: API)
- 75 Million
- Gallons of biodiesel consumed in the U.S. in 2005(source: National Biodiesel Board)
- 500,000
- Gallons of biodiesel consumed in the U.S. in 1998(source: National Biodiesel Board)
- 7.3
- Pounds of soybean oil required to make one gallon of biodiesel(source: National Biodiesel Board)
- 50 Million
- Number of documented “trouble-free” miles with diesel engines using B20 that meets ASTM D-6751 standards(source: National Biodiesel Board)
