Because she can afford it. Who cares if they drive up costs of everything (hint, trucks that transport goods to the store use gasoline). Gas tax hurt the poor the most, a fact these liberals completely miss, is it drives up prices of all goods, so those with little disposable income are the ones most hurt. If ignorance is bliss, people like her should be eternally happy.
taxes don't hurt the rich, they keep YOU from becoming rich.
Clinton and wife never owned real estate until they left Washington DC. They are two educated finacial dimwits expecting us to listen to them? No thanks.