Truck crossing path led to fatality of Ohio man.
Third crash tied to self-driving feature.
Risk moves from driver to vehicle.
Texas case raises cybersecurity fears.
Using brands with added detergents, switching gasoline among remedies.
NHTSA said it received 154 complaints involving SUVs with model years 2011-15.
Jeep Wrangler sales up 5%, topping 20,000 in a month.
Accident throws into question belief that computers can operate a vehicle more safely than humans.
Sales rebound in June after a disappointing May.
Federal officials are calling it the first U.S. fatality involving self-driving technology.