Conservation will be the key contributer. Big Box stores will convert to neighborhood shops (again). Employers will be motivated by cost to integrate housing into their campus plans. Cities will build work/live sectors. More food will be prepared professionally in local cafes. Energy costs will increase, but the cost of living will not. It could in fact go down, as cars become unnecessary and irrelevent. Trains become the dominant mode of transportation, and the value of a property goes up rather than down with proximity to a train track. Local business, which have a travel advantage will do better than regional companies with a employee/efficiency advantage - thuse jobs will increase. Walking to work, school, shop and restaraunt will be the healthy and pleasant norm. small shops will benefit from foot traffic. neighbors will see each other more often and develop deeper relationships, mental health costs will go down, as will obesity, diabetes etc ...