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True, but some landfills capture that methane and pump it back into the natural gas grid. I don't know the details of how efficient or widespread this type of c
by NickM 7y ago
True, but some landfills capture that methane and pump it back into the natural gas grid. I don't know the details of how efficient or widespread this type of capturing scheme is, but it seems to me like this is probably actually more sustainable than using natural gas from drilling and fracking.
- Scoundreller 7y agoUsually they just burn it on-site through generators in containers. It’s too dirty to put in the natural gas grid.
- NickM 7y agoAh, thanks for the correction, I didn't realize that. Still seems like it's not a bad way to generate electricity though.
- Scoundreller 7y agoYou weren’t totally wrong, just not the most correct :) I looked up the numbers, in the US, it’s something like 70% burn on-site for electricity, 20% burn in some nearby use (e.g. process steam or greenhouse warming) and 10% was cleaned up enough to pipe into the natural gas grid. That’s by facility count, not BTUs.