Transportation will get affected.

There would be no trade.

There would be no diesel or petrol for our vehicles.
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people would face serious problems because they will not be used to a life without oil, scarcity of electricity,
Without petrol, diesel, coal , oils , etc. we can't live life easily. We can't use vehicles and we'll have no electricity. 
technology advancement would slow down
future generation will have nothing left for their development
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