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CurtisLeow t1_iya1bbi wrote

Reply to comment by Why_You_Mad_ in Rolls-Royce successfully tests hydrogen-powered jet engine by je97

Kerosene can't be produced from carbon neutral sources. Kerosene produces soot. Natural gas-powered aircraft are already a thing, by the way. It's a more common fuel than hydrogen.

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Why_You_Mad_ t1_iya1r2g wrote

As soon as you burn it you're just dumping more CO2 and CO into the atmosphere. How could it possibly be carbon neutral to burn more hydrocarbons?

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CurtisLeow t1_iya98j1 wrote

Because there are both fossil sources and renewable sources of natural gas. That's why it's called natural gas. You produce natural gas. Waste treatment plants produce natural gas. Sabatier reactors produce natural gas. There are multiple carbon neutral sources of natural gas.

https://afdc.energy.gov/fuels/natural_gas_renewable.html

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