with world oil prices the way they are--this company can now draw a profit
Maybe so, but they cannot compete with oil even now. It would take an actual oil shortage to let that happen, something that does not appear to be in the cards. Cost of oil may increase without limit and still be cheaper than this.
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The Carthage plant has been optimized and is expected to turn a small profit. A tax credit has leveled the playing field with other renewable fuels like biodiesel and ethanol.
The fuel Appel makes, known officially as renewable diesel, received a subsidy of $1 per gallon from the Energy Policy Act of 2005, which took effect in January. That boosted the company's income by $42 a barrel, allowing a slim profit of $4 a barrel.