Alternative Fuel

Alternative fuel
The definition of Alternative Fuel varies according to the context of its usage. In the context of petroleum substitutes, the term 'alternative fuel' can imply any available fuel or energy source, and does not necessarily refer to a source of renewable energy. In the context of environmental sustainability, 'alternative fuel' often implies an ecologically benign renewable fuel.
Alternative Fuels, also known as non-conventional fuels, are any materials or substances that can be used as a fuel, other than conventional fuels. Conventional fuels include: fossil fuels (petroleum (oil), coal, propane, and natural gas), and also in some instances nuclear materials such as uranium. Some well known alternative fuels include biodiesel, ethanol, butanol, chemically stored electricity (batteries and fuel cells), hydrogen, methane, natural gas, vegetable oil, biomass, and peanut oil.

Alternative Fuel
Alternative fuels, as defined by the Energy Policy Act of 1992 (EPAct), include ethanol, natural gas, propane, hydrogen, biodiesel*, electricity, methanol, and p-series fuels. These fuels are being used worldwide in a variety of vehicle applications. Learn more about how the EPAct Program works by going to the EPAct Web site.
Using these alternative fuels in vehicles can generally reduce harmful pollutants and exhaust emissions. In addition, most of these fuels can be domestically produced and derived from renewable sources.
Use these alternative fuels pages to learn more about the fuels, their benefits, and how they can be used in personal and fleet vehicles. You can compare alternative fuels properties, including benefits, environmental impacts, and more. To get regional alternative fuel pricing data, go to the Alternative Fuel Price Report.
* Pure biodiesel (B100) is considered an alternative fuel under EPAct. Lower-level biodiesel blends are not considered alternative fuels, but covered fleets can earn one EPAct credit for every 450 gallons of B100 purchased for use in blends of 20% or higher. To learn more, visit the EPAct Alternative Fuels Web page.
Perguntas:
1: Quais são os combustíveis considerados alternativos e quais não são para a EPAct???

2: Quais são os combustíveis alternativos que incluem a eletricidade?

3: Com quais materiais são feitos os combustíveis considerados ‘ecologicamente renovável’?

4: Usando os combustíveis alternativos evitamos que tipo de exaustão para o meio ambiente?

5: Como podemos comparar combustíveis alternativos e os benefícios que causam ao impacto ambiental?

6: Quais combustíveis podem ser substituídos do petróleo?



Vocabulário:
purchased = comprado
vehicles = Veículos
environmental = ambiental
blends = misturas
covered = coberto
sources = fontes
properties = propriedades


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