If you're running on empty on Wednesday morning, it won't be as painful as usual to make a stop to fill up.
Regular gas is selling for under $1 per litre in London for the first time in about four years. Gas Buddy reports the last time Londoners paid less than $1 was in the fall of 2010. Industry experts predict the price will continue to fall in the coming days.
Oil has plunged nearly 40% since mid-summer due to a supply glut caused by OPEC and increased production in the U.S.