Support alternative fuel and vehicle use via financial incentives (e.g., tax benefits, rebates, etc.), mandates (e.g., consumption targets or renewable fuel standards), research and development investments, etc.
Provide incentives to trade in old cars or light duty trucks with low fuel efficiency and high emissions and buy new vehicles with higher efficiency and lower emissions; also called scrappage or vehicle early retirement programs
Restrict full contact between youth football players via limits to the number of contact practices, head hits per player, delay tackling until a certain age, etc.