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The gasoline engine came first. The gasoline engine was invented and patented in 1823 with the first efficient gasoline engine developed in 1876. The diesel was invented in 1893 which was 70 years after the gasoline engine.
Nikolaus Otto developed the internal-combustion engine in 1867. Karl Benz patented the internal-combustion engine in 1879. Gottleib Daimler built a small petrol engine in 1885.
WHAT ARE THE BASIC PARTS OF PETROL ENGINE? HOW DOES PETROL ENGINE WORKS?
Canadian, Benjamin Franklin Tibbet invented the first compound marine engine.
First you need to know what engine you have in the Discovery. Petrol or diesel and then the capacity? First you need to know what engine you have in the Discovery. Petrol or diesel and then the capacity?
Petrol in a diesel engine will destroy the engine.
Steam
A petrol (gasoline) engine can be an otto cycle engine or it may not be. Click the link.
Gottelieb made an engine that ran on petrol.
Who told you it is harmful? It is only harmful if it is a Diesel engine. If it is a petrol (gasoline) engine then Petrol is what it takes to run.
If you use Petrol or Gasoline in a Diesel engine you will destroy that engine. That is why you do not use it.
No, a diesel is a compression firing engine and a petrol is a spark firing engine. Diesel fuel will not burn in a petrol engine with spark plugs.