GRAND MANAN, N.B. -- New Brunswick's Progressive Conservative leader says few sectors will feel the proposed carbon tax more than the fishing industry, and the tax must be stopped.

Blaine Higgs made the announcement on Grand Manan Island, where much of the economy is dependent on lobster fishing.

He says the carbon tax would significantly drive up the cost of fuel, and that's an expense the industry can't absorb.

However, the Liberals point out that the fishing industry is exempt from fuel taxes.

Higgs has vowed to join other provinces in a court challenge of the carbon tax.

He says the fishing industry is already under pressure from restrictions and closures that shortened the lobster season in some areas.