JACKSONVILLE—The Shell Starship has landed. The one and only Shell Starship concept tractor-trailer pulled in here on June 3rd after a six-day run from San Diego to Florida. The slippery sleek rig is the brainchild of long-time trucking efficiency advocate Bob Sliwa, president of Airflow Truck Company, who hand-built the vehicle and drove it across country with his faithful, 12-year old German Shepherd riding shotgun.