Sixteen children and a female teacher have died after their school bus caught fire in eastern Pakistan, according to local police.
The blaze was apparently caused by a spark when the driver of the dual-fuel van switched from gas to petrol, ...
What are gas and petrol?
The confusion here is a cultural one. The term gas in the United States refers to what countries on the other side of the ocean call petrol. The use of the term gas instead of petrol is a phenomenon limited to use in North America only. Everywhere else, petrol (or the equivalent in the country's native language) is used to refer to the same fuel source.
Gas in N.America/Petrol everywhere else refers to the fuel source pentane and hexane.
The term gas in Pakistan refers to compressed natural gas. It's a cheaper alternative fuel source compared to petrol and is used by many in lieu of petrol.