emission

"We need a reliable, affordable and accessible rail network to deliver economic growth, increase productivity and reduce carbon emissions," he said.

If you use less fuel, you produce fewer emissions.

"The only thing it's set to boost is air pollution, noise, and climate emissions," he added.

The program, rebranded as cap-and-invest, limits greenhouse gas emissions and raises billions for the state’s climate priorities by allowing large polluters to buy and sell their unused emission allowances at quarterly auctions.

The government said the expansion must not breach the UK's legally binding target of lowering emissions to net zero by 2050.