On Friday, oil and gas futures declined below USD 71 per barrel on news of US subprime troubles and worries over the US economy.

For next month delivery, light, sweet crude descended 61 cents to USD 70.98 each barrel on the New York Mercantile Exchange (NYMEX).

On the other hand, gasoline rates for next month delivery vanished 0.3 cents to USD 1.93 per gallon.

In London, September Brent crude lost 33 cents, to USD 69.88 a barrel on the ICE Futures exchange.

Natural gas futures came down 7 cents to USD 6.52 per 1,000 cubic feet, and heating oil futures ascended 1.7 cent to USD 1.97 a gallon.