[1] My rationale is that historical emissions decreases have been largely driven by fuel switching from a more expensive to cheaper and less emitting fuel. (pragmaticenvironmentalistofnewyork.blog)
Also money based estimates introduce other complications such as fuel switching due to depletion. (realclimate.org)
Unfortunately, the lion's share of this progress can be attributed not to local leadership, but to fuel switching at the grid level. (carbonpricedc.org)