The Hertz Green Traveler Collection is our line of hybrid and electric cars that offer high fuel-efficiency and are easy on the wallet.  One of the ways we are able to offer clean, low-emissions technology is through our Green Traveler Collection.  This is a curated car class that is organized around fuel-efficient and alternative fuel vehicles, like the Toyota Prius Hybrid. All of the vehicles in this class offer customers significant fuel economy and lower emissions. Book one of Hertz's most fuel-efficient cars for your next vacation or business trip.