Search results
Results From The WOW.Com Content Network
Second-generation biofuels are thought to increase environmental sustainability since the non-food part of plants is being used to produce second-generation biofuels instead of being disposed of. [105] But the use of second-generation biofuels increases the competition for lignocellulosic biomass, increasing the cost of these biofuels. [106]
Since biomass can also be used as a fuel directly (e.g. wood logs), the terms biomass and biofuel have sometimes been used interchangeably. However, the term biomass usually denotes the biological raw material the fuel is made of. The terms biofuel or biogas are generally reserved for liquid or gaseous fuels respectively. [8]
Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide [1] or biomass, and biodiesel), Hydrogen fuel (when produced with renewable processes), and fully synthetic fuel (also known as electrofuel) produced from ambient carbon dioxide and water.
Any fuel produced from agricultural produce or organic waste is a biofuel. Humans have used biofuels since time immemorial — for example, burning wood and manure for cooking, heating and light. ...
Carbon-based fuel is any fuel principally from the oxidation or burning of carbon.Carbon-based fuels are of two main kinds, biofuels and fossil fuels.Whereas biofuels are derived from recent-growth organic matter [1] and are typically harvested, as with logging of forests and cutting of corn, fossil fuels are of prehistoric origin [2] and are extracted from the ground, the principal fossil ...
Restricts federal guarantees to: (1) specified renewable energy systems; (2) electric power transmission systems; and (3) leading edge biofuel projects that will use technologies performing at the pilot or demonstration scale that are likely to become commercial and will produce transportation fuels that substantially reduce life-cycle ...
Biomass is a term used in several contexts: in the context of ecology it means living organisms, [1] and in the context of bioenergy it means matter from recently living (but now dead) organisms. In the latter context, there are variations in how biomass is defined, e.g., only from plants, [ 2 ] from plants and algae, [ 3 ] from plants and ...
The United States used biofuel in the beginning of the 20th century. For example, models of Ford T ran with ethanol fuel. Then the interest in biofuels declined until the first and second oil crisis, in 1973 and 1979. [citation needed] The Department of Energy established the National Renewable Energy Laboratory in 1974 and started to work in ...