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Alternative Fuels

When oil disapears
by

Daniel kuchler

on 2 December 2010

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Transcript of Alternative Fuels

Alternative Fuels h Hydrogen as an Alternative Fuel 2.2 lb (1 kg) of hydrogen gas is about the same as the energy in 1 gallon of gasoline. Storage technologies under development include high-pressure tanks with gaseous hydrogen compressed at up to 10,000 pounds per square inch, cryogenic liquid hydrogen cooled to -423°F (-253°C) in insulated tanks, and chemical bonding of hydrogen with another material (such as metal hydrides). Like this graph
A light-duty fuel cell vehicle must store 11-29 lb (5-13 kg) of hydrogen to enable an adequate driving range of 300 miles or more. Hydrogenation-Derived Renewable Diesel Production Hydrogenation is a renewable resorse
made of vegetable oil. (HDRD) Biodiesel Basics What is biodiesel? Biodiesel is a liquid fuel made up of fatty acid alkyl esters, fatty acid methyl esters (FAME), or long-chain mono alkyl esters. It is produced from renewable sources such as new and used vegetable oils and animal fats and is a cleaner-burning replacement for petroleum-based diesel fuel. It is nontoxic and biodegradable. Biodiesel has physical properties similar to those of petroleum diesel: Biodiesel's Physical Characteristics
Specific gravity 0.88
Kinematic viscosity at 40°C 4.0 to 6.0
Cetane number 48 to 65
Higher heating value, Btu/gal 127,042
Lower heating value, Btu/gal 118,170
Density, lb/gal at 15.5°C 7.3
Carbon, wt% 77
Hydrogen, wt% 12
Oxygen, by dif. wt% 11
Boiling point, °C 315-350
Flash point, °C 100-170
Sulfur, wt% 0.0 to 0.0024
Cloud point, °C -3 to 15
Pour point, °C -5 to 10 Electricity
Electricity can be used to power all-electric vehicles and plug-in hybrid electric vehicles directly from the power grid. Vehicles that run on electricity produce no tailpipe emissions. The only emissions that can be attributed to electricity are those generated in the production process at the power plant. Electricity is easily accessible for short-range driving.

http://www.afdc.energy.gov/afdc/videos/16#16
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