Hybrid Fuel-Efficiency Ratings: The Demand for New Regulations and Technology
Recently accusations came to light that Nissan and GM to inflate their MPG claims by combining gas and electric mileage so their green rating appeared higher, and in order to ensure that the Environmental Protection Agency won’t follow in their alleged footsteps, The Society for Automotive Engineers and the National Renewable Energy Laboratory are recommending two different rating systems for electric vehicles that plug-in and also run on gas.
