Today's News From the Cars.com Family

A car should make the daily grind easier, not more difficult, says MotherProof.com’s Kristin Varela. Unfortunately, the 2011 Porsche Cayenne Hybrid was a troublesome family hauler for Kristin. To learn why, continue reading the full review, along with the day’s other stories, with the links below:

• MotherProof.com Reviews the 2011 Porsche Cayenne S Hybrid (MotherProof.com)
• Hybrid Conversions Could Top 500,000 Units by 2020 (PickupTrucks.com)
• When Will the More-Efficient Mazda Engines Be Available? (Ask.cars.com)

Today on KickingTires

What Does This Button Do?
31 Booster Seats Named Best Bets by IIHS
2012 Mercedes-Benz CLS-Class Video
Future Chevrolets to Get New Small Gas Engine Family