> Petrol cars will be mainstay of transportation for about 40-50 years and will dominate new car sales for at least 20-30 years depending on the country. I dis

> Petrol cars will be mainstay of transportation for about 40-50 years and will dominate new car sales for at least 20-30 years depending on the country. I disagree. i think the timescale for the switchover to electric vehicles (and self-driving vehicles) will be shorter than that.