The WTI and Brent crude oil benchmarks ended the day lower Tuesday.

The West Texas Intermediate (WTI) and Brent crude oil benchmarks ended the day lower Tuesday.

The December WTI contract declined by 86 cents, or 1.3 percent, to settle at $66.18 a barrel after trading within a range from $65.33 to $67.26. Posting a sharper, 1.8-percent decrease Tuesday was the December Brent contract, which slipped $1.43 to end the day at $75.91.

Influencing Tuesday’s crude price movements were ongoing fears that the , Bloomberg reported earlier. Also stoking the bearish mood were expectations of a build in U.S. crude oil inventories.

November reformulated gasoline (RBOB) also ended the day lower, losing two cents to settle just under $1.81 a gallon.

Henry Hub natural gas futures, which have been fairly bullish in recent weeks given lower-than-usual inventories, also ended the day lower. The December contract price settled at $3.19, reflecting a one-cent drop.