• Biodiesel production using soybean required 27 % more fossil energy than
the biodiesel fuel produced (Note, the energy yield from soy oil per hectare is far lower than the ethanol yield from corn).
The best yield comes from soybeans, but they, too, are a net loser, requiring 27 percent more fossil energy than
the biodiesel fuel produced.
Not exact matches
We have more ground to cover before it can be commercialized, but developing a viable plant with enough oil to economically
produce biodiesel and bio-jet
fuel is a major first step.
«The
fuel that is
produced by our E. coli can be used directly as
biodiesel.
Related research also focuses on engineering plants to
produce more sustainable alternatives to fossil
fuels and petrochemicals — i.e.,
biodiesel and precursors for biodegradable plastics and resins.
Methanol is used for
producing biodiesel, as a
fuel, denaturant for ethanol, and is a greenhouse gas.
The University of Wales in Newport has been involved in renewable transport for four years,
producing biodiesel from waste vegetable oil to
fuel its campus maintenance vehicles.
Biodiesel is a clean burning, renewable alternative
fuel that can be
produced from a wide range of vegetable oils and animal fats.
of torque (1,037 Nm) at 1,600 rpm — lower emissions and B20
biodiesel capability that promotes a domestically
produced renewable
fuel.
The track surface will be composed of recycled and repurposed materials, and the go - karts will be
fueled by
biodiesel produced from sustainably sourced soybean oil, collected by Food for the Parks concessionaires.
In 2011, the world
produced 23 billion gallons of
fuel ethanol and nearly 6 billion gallons of
biodiesel.
Crops can be used to
produce automotive
fuels, such as ethanol and
biodiesel.
Crops can also be used to
produce automotive
fuels, including both ethanol and
biodiesel.
Compared to petroleum diesel
fuel, which is refined from crude oil,
biodiesel combustion
produces fewer air pollutants such as particulates, carbon monoxide, sulfur dioxide, hydrocarbons, and air toxics.
In 2007 the world
produced 13.1 billion gallons of
fuel ethanol and 2.3 billion gallons of
biodiesel.
«The
biodiesel produced at Big Island Biodiesel is made efficiently, yielding high - quality fuel that meets ASTM D6751, and in an organizational culture that scores very high — and drives continual improvement — in quality, environmental, health, safety, and sustainability metric
biodiesel produced at Big Island
Biodiesel is made efficiently, yielding high - quality fuel that meets ASTM D6751, and in an organizational culture that scores very high — and drives continual improvement — in quality, environmental, health, safety, and sustainability metric
Biodiesel is made efficiently, yielding high - quality
fuel that meets ASTM D6751, and in an organizational culture that scores very high — and drives continual improvement — in quality, environmental, health, safety, and sustainability metrics.»
Namely, matching the
biodiesel mandate in the Renewable
Fuel Standard (RFS) more closely to the amount of
biodiesel actually
produced in -LSB-...]
Seeker, it's quite possible to
produce biodiesel on the scale needed to replace fossil
fuel use, only in most countries (even the USA, but not Australia) that would displace food production too much (see Nassau Senior's introductory remarks on machinery not affecting food availability in his classic work on «Wages»).
The United States
produces mainly
biodiesel and ethanol
fuel, which uses corn as the main feedstock.
This type of
biodiesel produces far less toxic and global warming emissions compared to conventional diesel
fuel, and is sourced,
produced, and sold locally.
In 2009 the world was on track to
produce 19 billion gallons of
fuel ethanol and nearly 4 billion gallons of
biodiesel.
By 1983, the process for
producing fuel - quality, engine - tested
biodiesel was completed and published internationally.
(Sec. 1514) Directs the EPA Administrator to: (1) establish an Advanced Biofuel Technologies Program to demonstrate advanced technologies for the production of alternative transportation
fuels; (2) give priority to projects that enhance the geographical diversity of alternative
fuels production and utilize feedstocks that represent 10 % or less of domestic ethanol or
biodiesel fuel production during the previous fiscal year; and (3) fund demonstration projects to develop conversion technologies for
producing cellulosic biomass ethanol, and for coproducing value - added bioproducts (such as fertilizers, herbicides, and pesticides) resulting from
biodiesel fuel production.
Plant material is used in a variety of ways to create energy: combusted to
produce heat or electricity; anaerobically digested to
produce methane; and converted to ethanol,
biodiesel, or hydrogenated vegetable oil for
fuel.
Oil Palm
produces ~ 500 gallons / acre of
biodiesel, and it's a perennial — less
fuel for plowing & planting, and squeezing the oil out is less energy intensive than distilling ethanol.
«According to the EPA's Renewable
Fuel Standards Program Regulatory Impact Analysis, released in February 2010,
biodiesel from soy oil results, on average, in a 57 % reduction in greenhouse gases compared to fossil diesel, and
biodiesel produced from waste grease results in an 86 % reduction»
Grist reported on a radio story on the plant which said, «The City of Calgary's entire fleet of trucks and buses may soon be partly
fueled by
biodiesel produced from Alberta beef tallow.
The most water - efficient energy sources are natural gas (though we may be just about out of it) and synthetic
fuels produced by coal gasification; the least efficient are ethanol and
biodiesel — the biofuels just can't catch a break these days, can they?Water use winners and losers The research pair analyzed 11 types of energy sources, including coal,
fuel ethanol, natural gas, and oil; and five power generating methods, including hydroelectric, fossil
fuel thermoelectric, and nuclear methods; in terms of power generation, Younos and Hill have found that geothermal and hydroelectric energy types use the least amount of water, while nuclear plants use the most.
Not
biodiesel, conventional diesel
fuel: The plant will have a capacity of more than 10,000 gallons per year and will, using synthetic biology, reengineer microbes so that yeast can ferment sugar to
produce hydrocarbons instead of ethanol.
In practical terms, that means that the amount of time it takes to payback the carbon debt of
producing biofuel on that land to replace fossil
fuels is even greater than we thought; and pretty much makes palm oil
biodiesel produced in such conditions worse than petroleum - based diesel.
Or, for those of you who want a more technical definition, it is «a
fuel comprised of mono - alkyl esters of long chain fatty acids derived from vegetable oils or animal fats...» (National
Biodiesel Board) How are the
produced?
In other words,
biodiesel produced under such conditions has a greater climate impact than conventional fossil
fuels.