A petrol hedge trimmer is tool that is powered by a petrol-feulled engine. Among hedge trimmers they are the most powerful ones. Petrol hedge trimmers can be used anywhere , because there is no cable to restrict the user and they give unrestricted freedom of movement during working. The downside part of using a petrol hedge trimmer is that they require more of an effort to operate and are heavier. They are also both smoky and are nosier than other types. Also the user has to refill a petrol hedge trimmer with fuel every now and then and should consider the cost of refilling.