Only very indirectly. It's actually because of a 2012 rule that kinda-sorta-normalizes emissions credits by vehicle size, creating a perverse incentive for manu

Only very indirectly. It's actually because of a 2012 rule that kinda-sorta-normalizes emissions credits by vehicle size, creating a perverse incentive for manufacturers: https://www.resources.org/common-resources/how-much-do-regulations-for-fuel-economy-and-emissions-incentivize-the-production-of-larger-vehicles/ https://www.resources.org/common-resources/how-much-do-regul...