Manage your life

Save on gas by changing the way you drive

An expert's test reveals which move gets more mileage: lowering the windows or turning on the AC.

Your speed is key 

Also: 

• Good time for trade-ins
• Toyota's 31% profit drop
• 47,000 Cadillacs recalled

And:

• Unexpected uses for ordinary shampoo
• The $645 kitchen remodel