See also:

Cleaner air
Ford endorses the use of reformulated “cleaner-burning” gasolines to improve air quality, per the recommendations in the Choosing the right fuel section. ...

Driving off-highway with AWD vehicles
AWD vehicles are equipped for driving on sand, snow, mud and rough roads and have operating characteristics that are somewhat different from conventional vehicles, both on and off the highway. ...

Improved performance without sacrificing fuel economy
Power for the 2011 Lincoln MKX is supplied by the 3.7-liter Duratec V-6, which employs advanced technology and clever control strategies, such as Twin Independent Variable Camshaft Timing (Ti-VCT) ...