TY  - BOOK
ED  - Shell (Firm).
TI  - We call it petrol
CY  - A Shell Film.
KW  - Petroleum
KW  - Study and teaching
N1  - If you are a motorist you are one of over 300 million in the world today, driving 200 million cars, burning 130,000 million gallons of petrol every year.  Apart from always needing petrol, what do we know about it?  We know there is a grade for our engine, we are told some brands have additives, we have an impression of an instant liquid seldom seen that comes conveniently like water out of a tap
ER  -