Fuel

Crude oil futures posted their biggest one-day gain Tuesday since September 2005, rising on forecasts of continuing cold weather and expectations of a stronger U.S. economy, Bloomberg reported.

The maintenance managers of two vehicle leasing companies expect few problems in their shops as the truck-operating industry shifts to the next generation of lower-emission diesel engines.

Crude oil prices surged more than $2 a barrel Tuesday after Energy Secretary Samuel Bodman said President Bush plans to double the size of the U.S. Strategic Petroleum Reserve by 2027, Bloomberg reported.

WASHINGTON — Volvo AB and Mack Trucks Inc. last week unveiled a hybrid prototype of a heavy-duty Mack construction truck and company officials said their diesel-electric power supply will cut fuel costs 30% for stop-and-go trucks and buses while running much cleaner.