You can capture CO2 while still getting net energy out of the process, as long as you don't turn it back into (the same) hydrocarbons. The tricky part of carbon

You can capture CO2 while still getting net energy out of the process, as long as you don't turn it back into (the same) hydrocarbons. The tricky part of carbon capture is not the capturing, but storing it in a way that ensures that it won't be released into the atmosphere anytime soon.