President Joe Biden has called for trillions in spending aimed at re-igniting America’s economic growth by upgrading its crumbling infrastructure and tackling climate change.

The $2.3 trillion proposal would direct billions to initiatives such as charging stations for electric vehicles and eliminating lead water pipes.

The spending would be partially offset by raising taxes on businesses.

Those plans have already roused fierce opposition.

Republicans have called the rises “a recipe for stagnation and decline”, while powerful business lobby groups including the Business Roundtable and Chamber of Commerce said they supported investments but would oppose tax increases.

The pushback is a sign of the tough fight ahead for the plan, which needs approval from Congress.

The White House has promoted its proposal as the most ambitious public spending in decades, saying the investments are necessary to keep the US economy growing and competitive with other countries, especially China.

In a speech in Pittsburgh, Pennsylvania on March 31, President Biden said: “This is not a plan that tinkers around the edges.

“It’s a once in a generation investment in America.”

The plan calls for investing more than $600 billion in infrastructure, including modernizing roads, replacing rail cars and buses and repairing crumbling bridges.

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Billions more would be devoted to initiatives like improving veterans hospitals, upgrading affordable housing, expanding high-speed broadband, and providing incentives for manufacturing and technology research.

It calls for money to be directed to rural communities and communities of color, including establishing a national climate-focused laboratory affiliated with an historically black university.

The spending, which would have to be approved by Congress, would roll out over eight years.

The White House said tax increases would offset the cost over 15 years.

President Biden called for raising the corporate tax rate from 21% to 28%, a move that would partially undo cuts the US passed in 2017. He also proposed raising the minimum rate charged for overseas profits.

In his speech, in an acknowledgment such plans are likely to face, the president said he was also “open to other ideas” when it came to paying for the spending.

“Failing to make these investments adds to our debt and effectively puts our children at a disadvantage relative to our competitors,” he said.

“The divisions of the moment shouldn’t stop us from doing the right thing for the future.”

President Biden’s proposal – which closely resembles promises he made during last year’s election campaign – comes just weeks after Democrats muscled through $1.9 trillion more in aid to address the economic upheaval caused by the pandemic, approving that package without Republican support.

It’s not clear yet how much of President Biden’s latest plan will make it through Congress – or how much of another spending package focused on areas such as childcare and education that he plans to unveil in coming weeks.