The recent rollbacks in clean energy incentives proposed by Republicans in their budget plans have raised alarm bells among environmentalists and experts alike. According to analyses conducted by four research firms, these cuts are expected to hinder the growth of renewable energy sources and electric vehicles, consequently slowing down the reduction of U.S. greenhouse gas emissions.
The exact impact of these cuts is still being determined as the House deliberates on the Senate version of the GOP budget legislation. However, early modeling by research groups suggests that if the Democrats’ climate law, the Inflation Reduction Act (H.R. 5376 (117)), were to remain in place, the bill passed by the Senate could lead to an increase of carbon dioxide emissions by 8 to 12 percent over the next decade. Similarly, the bill passed by House Republicans last month could result in an 8 to 11 percent increase over the same period.
These estimates do not account for the potential impacts of the Trump administration’s regulatory actions on carbon dioxide emissions from power plants and vehicles. President Joe Biden has set ambitious targets to cut greenhouse gases by 61 to 66 percent below 2005 levels by 2035, emphasizing the urgency of addressing climate change.
Jesse Jenkins, a professor at Princeton University, expressed concern over the implications of these bills, stating that they would derail the progress made in decarbonizing the economy. The U.S., as the second-largest emitter of greenhouse gases globally, plays a crucial role in combating climate change. However, the proposed legislation would jeopardize international goals of limiting temperature rise to less than 2 degrees Celsius, as outlined in the Paris Climate Agreement.
The potential consequences of these rollbacks are dire, with the likelihood of surpassing the 1.5-degree Celsius threshold that scientists warn could lead to irreversible climate impacts. Already, the world is experiencing extreme weather events and rising global temperatures, underscoring the urgency of taking decisive action to curb emissions.
The Inflation Reduction Act was hailed as a groundbreaking initiative to transition to a clean energy economy and compete in the global clean tech market. However, the proposed cuts in clean energy incentives threaten to reverse the progress made in reducing greenhouse gas emissions.
Experts warn that these legislative changes could lead to a significant increase in emissions, primarily from the use of fossil fuels like coal and gas. With the fate of climate policy hanging in the balance, it is crucial for lawmakers to prioritize sustainable and renewable energy solutions to mitigate the impacts of climate change. Failure to do so could have far-reaching consequences for the environment and future generations. The Senate recently passed a bill that allows solar and wind power developers to claim full credits for projects that begin construction within one year of the bill’s enactment or are placed in service before 2028. This provision effectively creates a four-year runway for developers to receive the credits before projects must be operational. In contrast, the House required projects to commence construction within 60 days and begin operating before 2029.
Additionally, the Senate extended battery storage incentives and made it easier for developers to finance projects by transferring credits. The Senate GOP also removed a new tax on solar and wind projects with components traceable to Chinese manufacturers from the final bill. Energy Innovation recently published its modeling, including this provision.
One significant change in the bill is the elimination of consumer credits for purchasing new and used electric vehicles. Automakers have expressed concerns that this move could slow production and jeopardize jobs in the industry. Despite this change, experts believe that the EPA tailpipe standards will continue to drive the market away from internal combustion engines, even without consumer incentives for electric vehicles.
While solar and wind power projects will still be developed under the Senate bill, the pace may be slowed, leading to increased costs. Natural gas power plants are expected to operate more frequently, with a capacity of 52 percent in 2035 compared to the current 35 percent.
It is important to note that the EPA is considering revising regulations that govern emissions from vehicles, which could have implications for the market shift towards electric vehicles. The proposed rule has been sent to the White House Office of Management and Budget for review.
Overall, the Senate bill presents a mixed bag of changes for the renewable energy and transportation sectors. While some incentives have been extended and taxes removed, the elimination of consumer credits for electric vehicles may have repercussions for the industry. It will be essential to monitor how these changes impact the energy and environment sectors in the coming years.
This article is a reprinted version from E&E News with permission from POLITICO, LLC. Copyright 2025. E&E News provides essential news for energy and environment professionals.