Ineos Bio plans to open a factory in Florida that will convert plant waste and garbage into electricity and ethanol. First they will gasify the waste then use a recently discovered bacterium that lives in chicken waste to convert the resulting carbon monoxide and hydrogen into ethanol. Remaining gases will be used to create electricity. This process hugely cuts down on carbon dioxide output.
Here’s a potential problem with this. There’s no such thing as plant “waste.” It’s all useful in nature and in agriculture, and if it isn’t being used then that could be a problem.
OTOH, if it rots in land fills, it emits co2 and methane. This process eliminates much of that.