(December 8, 2011) SANTA MONICA, Calif. — TrueCar.com has reported that average U.S. fuel economy was up in November, the highest since March. Light vehicle auto sales indicate TrueMPG will increase to 22.3 mpg in November 2011 compared to 21.7 mpg in November 2010, and 22.2 in October 2011.

"Manufacturers are building more fuel-efficient cars and consumers are buying them as evidenced by 15 consecutive months of year-over-year increases in TrueMPG," said Jesse Toprak, Vice President of Industry Trends and Insights at TrueCar.com. "The last time we saw a decrease was during the government's Cash for Clunkers program in August 2009."

Below is how the top seven manufacturers fared comparing overall mpg, broken out by car and truck mpg:

According to TrueCar.com, the TrueMPG for vehicles sold by U.S. manufacturers averaged 20.4 mpg in November 2011, up from 20.1 mpg in November 2010. European manufacturers increased their average fuel economy for vehicles sold from 21.0 mpg to 22.0 mpg; Japanese manufacturers increased their average fuel economy from last year at 23.1 mpg to 23.8 mpg; and South Korean manufacturers increased their average fuel economy for vehicles from 25.4 mpg to 26.8 mpg.

Below is a snapshot of a few vehicle segments and how they compare from November 2011 versus November 2010: