‧Ford Motor Company lighting innovations are guided by human psychology, as lighting inconsistencies and contrast irregularities can cause irritability and even depression ‧First debuting on Ford F-150 pick-up, and now available on the new Ford Fusion, the automaker’s Crystal Diamond Light is designed to disperse broad, even lighting that can help reduce irritability while improving efficiency by up to 62 percent – lowering cost and enhancing aesthetics ‧Interior lighting designed with the human eye in mind to offer optimal light perception and good contrast for night vision; because men and women see colors differently, the shade must be universally accepted by the color cones of both sexes