The last politician to propose making driving more expensive was Al Gore, who fought to include a small energy tax--which would have included gasoline--in the Clinton administration's 1993 economic plan.
Al Gore is still making proposals for making driving more expensive.
mnli hypothesis: Al Gore is still making proposals for making driving more expensive. premise: The last politician to propose making driving more expensive was Al Gore, who fought to include a small energy tax--which would have included gasoline--in the Clinton administration's 1993 economic plan.