Lego's treehouse set uses plant-based bricks for the greenery
It started using plastic made with ethanol from sugarcane last year.
Ethanol
Virgin to use eco-friendly jet fuel on commercial flight this October
It's a step toward greener air travel.
Honda and Toyota are still backing hydrogen fuel-cell cars
A new venture aims to double the number of refuelling stations in Japan.
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Scientists find cleaner, more efficient way to turn CO2 into fuel
It could reduce in those moments when you still need gasoline.
ICYMI: Getting ethanol from more than just corn
An accidental discovery converts carbon dioxide into fuel we can use, easily.
Researchers accidentally turn carbon dioxide into ethanol
They basically put a genie back in its bottle.
