Terms: Four Wheel Bicycles (16,900), four wheel bicycle (1,690), 4 wheel bike (135,000), 4 wheel bikes (150,000), 4 wheel bicycle (96,900), 4 wheel bicycles (33,900), four wheel bike (11,900), four wheel bikes (3,700),
Terms: quadricycle (222,000), quadricycles (95,600), quadcycle (16,700), quadracycle (50,000), quadracycles (9,610),
Terms: four wheelers (1,640,000), four wheeler (2,810,000), 4 wheeler (2,680,000), 4 wheelers (1,970,000),
Boolean: (bike OR bikes OR bicycle OR bicycles) +("four wheeler" OR "four wheelers" OR "4 wheeler" OR "4 wheelers" OR "4 wheel" OR "four wheel" OR "4 wheels" OR "four wheels") (9,400,000), (surrey OR surreys) +("four wheeler" OR "four wheelers" OR "4 wheeler" OR "4 wheelers" OR "4 wheel" OR "four wheel" OR "4 wheels" OR "four wheels") (346,000),
Terms: four wheel surrey (631), 4 wheel surrey (487), four wheel surreys (26), 4 wheel surreys (24), surrey (113,000,000), surreys (157,000), surrey bike (153,000), surrey bicycle (3,530), surrey bikes (14,200), surrey bicycles (1,240),
Boolean: surreys +(motorized OR powered) (17,400), quadricycles +(motorized OR powered) (27,200), (quadricycle OR quadracycle) + china (23,300),
Terms: International Surrey Company (206), Quadracycle Inc (1,490),
Terms: four wheel cycle (454), four wheel motorcycle (28,100), four wheel scooter (15,200), ultralight four wheeler (1),
Terms: electric quadricycle (140), electric quadracycle (81), motorized bicycle (356,000), motorized bicycles (335,000), motorized cycles (13,100), motorized cycle (24,200), motorized quadricycle (550), motorized quadracycle (2), motorized surrey (28), motorized quadricycles (43), motorized quadracycles (4), motorized surreys (14),
Terms: gas powered quadricycle (5), gas powered quadracycle (0), gas powered surrey (1),
Boolean: ("four wheel" OR "4 wheel") +"electric bicycle" (349,000),
Terms: electric bicycle (1,560,000), electric bicycles (1,670,000), electric bike (2,310,000), electric bikes (2,340,000), ebike (413,000), ebikes (166,000), e-bike (748,000), e-bikes (342,000),
Terms: motorized tricycles (15,600), motorized tricycle (24,600), electric tricycle (122,000), electric tricycles (36,000),
Terms: experimental vehicles (96,100), experimental vehicle (105,000), specialized vehicles (316,000), kit cars (1,750,000),
Boolean: liscensing +vehicles +kit (316),