This system allows for a 70 % reduction in energy loss compared to internal combustion cars and accounts for 40 % of fuel efficiency improvement of hybrid vehicles. (greencarcongress.com)
These standards will result in significant GHG emissions reductions and fuel efficiency improvements across all of these vehicle types. (transportation.gov)
The two - mode's motors, batteries, gearsets and sophisticated software add up to a 20 percent fuel efficiency improvement over the conventional X6. (hybridcars.com)