Men really do drool over hot cars, at least when women are involved. A study at Northwestern University found that men who were shown pictures of attractive women followed by images of sports cars salivated more.
Too much carbon-dioxide can cause drowsiness, so engineers at Hyundai placed a CO2 sensor in the 2015 Genesis. When the level of CO2 exceeds 2,000 parts per million, the sensor triggers an infusion of fresh air into the cabin.
A study funded by the U.S. Department of Energy has shown that the production of biofuels from corn waste, such as stalks, releases 7 percent more greenhouse gases than gasoline emissions—too high for it to qualify as a renewable fuel source.
A new feature in the 2015 GMC Canyon will make it safer for children to ride in the jump seat of midsize pickups. Parents can use the headrest from the rear passenger side to extend the seat cushion and better secure a car seat.