With the federal government ruling that 2015 fleets of cars must meet a 35.5 mpg average, automakers will have to embrace new technology at a much higher level, making innovative or luxury options standard in most new vehicles.  While some experts say that current gasoline-powered engines could be improved to achieve up to 20% better [...]

The latest federal rules issued for the 2015 automobile fleets are likely to drive the cost of cars up by at least $1,000, experts say.  The newest ruling ups the average from 27.5 mpg for cars and 23.1 mpg for light trucks to a fleet average of 35.5 mpg.  The ruling also requires automakers to [...]