Some customers of Superior Propane are expressing their irritation with the company following a hike in tank rental fees.

In Mathieu Savoie's case, his annual bill jumped to $300 from $199. The Moncton, N.B., man received a written notice from Superior Propane last August.

"The 50 per cent increase in a rental fee seemed a bit usurious to me. So a bit of a shock, bit of a surprise," said Savoie. "It definitely got me a little bit angry."

The price jump is solely for the equipment rental. When the …