関連ワード:  are diesel trucks more reliable than gas    are diesel engines more reliable than gas    are diesel trucks more efficient than gas    are diesel engines more efficient than gas    are diesel trucks more fuel efficient than gas    are diesel engines more fuel efficient than gas    are diesel trucks better than gas    are diesel trucks better than gas for the environment    are diesel engines better than gas    are diesel pickups better than gas  
結果 : are diesel trucks more reliable than gas