WALL, N.J. (AP) — New Jersey Natural Gas says it will once again cut customers' bills this winter as natural gas supply costs drop.The utility announced Wednesday that it will credit residential and small business customers' bills for gas usage in February. That will save the average customer nearly $76, while the overall savings will be about $33.4 million.This marks the third straight month that company customers will see a bill credit.New Jersey Natural Gas provides service to nearly 500,000 customers in Ocean, Monmouth and Morris Counties.