Petroleum example sentences

It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc.Among the commodities of export, whose share has been increasing over the last few years till 2004-05 are agriculture and allied products ( 53 per cent), ores and minerals ( 12 per cent), gems and jewellery (2 75 per cent) and chemical and allied products (2 45 per cent), engineering goods( 3 63 per cent) and petroleum products (8 12 per cent) The commodities imported to India include petroleum and petroleum products (4 87 per cent), pearls and precious stones (2 26 per cent), inorganic chemicals (2 39 per cent), coal, coke and briquettes (9 17 per cent), machinery (1 56 per cent).We shall be looking at our natural resources like forests, wild-life, water, coal and petroleum and see what are the issues at stake in deciding how these resources are to be managed for sustainable development.How is the quality of air affected and how does this change in quality affect us and other life forms? The fossil fuels like coal and petroleum contain small amounts of nitrogen and sulphur.People living in the city will also be encouraged to use liquefied petroleum gas in place of coal, kerosene or firewood.In India, the Petroleum Conservation Research Association (PCRA) advises people how to save petrol/diesel while driving.Coal and petroleum were formed from the degradation of bio-mass millions of years ago and hence these are resources that will be exhausted in the future no matter how carefully we use them.LPG is the abbreviated form of liquified petroleum gas whereas CNG stands for compressed natural gas.Since coal and petroleum have been formed from bio–mass, in addition to carbon, these contain hydrogen, nitrogen and sulphur.Over millions of years, absence of air, high temperature and high pressure transformed the dead organisms into petroleum and natural gas.These days, bitumen, a petroleum product, is used in place of coal-tar for metalling the roads.Most of the petroleum occurrences in India are associated with anticlines and fault traps in the rock formations of the tertiary age.It has ordered the industries to switch to cleaner fuels like CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas).Petrol and lower fractions of petroleum are also used for dry cleaning of clothes to remove grease stains.Fossil fuel such as coal, petroleum and natural gas are the main sources of conventional energy.