Hertz offers fuel-efficient cars as part of its Green Collection in Canada. Customers can reserve their specific green car from the list. ...
... "Hertz Canada announced the launch of a new collection of fuel-efficient, environmentally friendly cars that are both easy on the wallet and suitable for 
families and small groups traveling together. Reservable by make and model, with a Highway Fuel Efficiency rating of 10.0L/100 km or less based on Natural Resources Canada's annual fuel consumption guide, Hertz Canada's Green Collection features the Buick Allure, Ford Fusion, Hyundai Sonata, and Toyota Camry. Launching with more than 1,000 cars in Hertz Canada's Green Collection, Hertz guarantees availability at 7 major airport locations across Canada: Toronto, Montreal, Quebec City, Halifax, Calgary, Edmonton and Vancouver. " ...
Via Hertz: Hertz Canada Launches Green Collection: Fuel Efficient, Environmentally Friendly Cars Reservable by Make and Model ...