Why Don’t We Have Functional Biofuel Yet?

Alternative fuels, like ethanol and algae, have been around for years, yet there have been obstacles hindering these biofuels' take over the market. Here's why.

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Biofuels: Ethanol and Biodiesel Explained
https://www.eia.gov/energyexplained/i...
"Nearly all of the gasoline now sold in the United States is about 10% ethanol by volume. Any gasoline-powered engine in the United States can use E10 (gasoline with 10% ethanol), but only specific types of vehicles can use mixtures with fuel containing more than 10% ethanol. "

Plant genetic engineering for biofuel production: towards affordable cellulosic ethanol
https://www.nature.com/scitable/conte...
" The factors that affect the suitability of potential new feedstock crops around the globe for bioethanol production are complex, and relate to country- and region-specific agricultural practices, market forces, and political as well as biological issues. These factors include land availability, locally accepted cropping systems,


The Case Against More Ethanol: It’s Simply Bad for Environment
https://e360.yale.edu/features/the_ca...
"Two prices determine its profitability: the price of corn and the price of oil. The higher the price of corn, the more expensive it is to divert from feeding animals or making high-fructose corn syrup and instead distill it as alcohol fuel for cars and trucks. Second, the higher the price of oil, the more economically ethanol can be blended with gasoline. When corn is cheap and oil prices are high, ethanol margins are fat. But when corn prices rise and oil prices fall, ethanol margins are flat."

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