Answers

2015-09-12T15:33:34+05:30
There are many types of fuels....
just like....- gas, petroleum etc.
according to fuels there are different types of answers....

but the ans should be....
for petroleum- walk for short distance instead of using vehicles..
for gas- use efficiently by cooking in pressure cooker.. when              meals are cook we have to use in closed utensils..
 
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