Not exact matches
Yet RangeFuels» fancy new
ethanol plant, which will eventually pump
out 100 million
gallons of fuel a year, will feed mostly on wood chips.
However, subsidies doled
out per
gallon of ethanol expired at the end
of 2011.
Hypothetically, today, we could also take the starch
out of the entire feed corn crop, and that would give us 4 times the amount
of corn grain based
ethanol: Today, that would be 10.9 X 4 = 43.6 billion
gallons a year, now.
In the USA today,
ethanol is mandated to up to 10 %
of gasoline motor fuel; 13 billion
gallons / year
ethanol are replacing 10 billon
gallons / year octane equivalent gasoline (
out of a total consumption
of around 140 billion
gallons / year).
The amount
of corn
ethanol qualifying as «renewable» maxes
out at 15 billion
gallons in 2015.
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.
But if it took a
gallon of fossil fuels to make a
gallon of ethanol, the
gallon that you took
out has to go back in.