when did hybrid cars come out

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did hybrid cars come out	0.55	0.7	4260	47	29
when	1.58	0.2	7817	86	4
did	1.95	0.4	8137	1	3
hybrid	2	0.7	3587	67	6
cars	1	0.1	8426	35	4
come	0.85	0.5	2024	88	4
out	1.83	0.2	6913	28	3

Keyword	CPC	PCC	Volume	Score
when did hybrid cars come out	1.87	0.5	2789	30
when did the first hybrid car come out	0.87	0.4	2585	44
what year did hybrid cars come out	0.88	0.5	5251	57
when did the first hybrid come out	1.89	0.8	6900	90
when were hybrid cars invented	0.89	0.5	1338	16
when did toyota start making hybrid cars	1.54	0.4	2435	43
history of hybrid cars	1.83	0.6	2435	45
when was the first hybrid vehicle invented	1.89	0.3	5316	82
how long have hybrid cars been around	1.43	0.2	1350	44
what was the first hybrid car	0.63	0.6	4538	50
first hybrid car ever made	0.71	0.9	7678	48
what was the first modern hybrid car	1.59	0.2	8758	81
history of hybrid vehicles	1.01	0.8	6237	60
what was the first hybrid vehicle	0.17	0.6	2543	33
what car introduced hybrids	0.54	0.4	2184	73
who made the first hybrid car	1.69	0.7	7506	43