Fix grammatical mistakes in this sentence: Admittedly, considering such problems is mainly introduced despite the immition of vechicals, to increase the price in orders to force people to used less petrol may have an immediate result, but this can only applied to those who are less wealthy off, and as soon as people get over the increased price, they will go back to the heavy use of petrol.
Admittedly, considering such problems are mainly caused by the emissions of vehicles, to increase the price in order to force people to use less petrol may have an immediate result, but this can only apply to those who are less wealthy, and as soon as people get over the increased price, they will go back to the heavy use of petrol.