[MSCD]

I'm sure someone knows the answer to this, I don't.... But what is the difference of the environmental impact of the extra refinement needed to get the oil to petrol versus diesel versus the emissions difference of the two?

That said unless you are powering your Tesla off of a solar or other natural energy source how would that stack up? And knowing how Lithium is sourced and transported the process has an impact... Nothing's perfect - some are better than others.