California is once again at the center of the nation’s automotive and energy policy debate. With federal electric vehicle (EV) tax credits set to expire this September, the state is considering whether to create its own replacement program. This would not only affect car buyers but could also reshape the national conversation on emissions rules, vehicle affordability, and the balance of power between state and federal regulators.

The California Air Resources Board (CARB) released a report on August 19 recommending that the state consider “backfilling” the federal credits with its own point-of-sale rebates, vouchers, or other incentives to keep EV sales moving. The details remain vague, but the intention is clear: California wants to keep its aggressive zero-emission vehicle (ZEV) goals on track, even as Washington scales back related programs.

But California has been here before. This is not the first time the state has clashed with the federal government over vehicle regulations - and it likely won’t be the last.

California has a unique history when it comes to vehicle emissions. Decades before the federal government created the Environmental Protection Agency (EPA), California was already regulating air quality in response to its smog problem.

When the Clean Air Act was passed in 1970, California was granted a waiver that allowed it to set its own, stricter emissions standards. Other states were given the option to adopt California’s rules, and some states have done so.

Today, eleven states follows California’s lead. This waiver authority has made California an outsized force in shaping vehicle propulsion. Automakers cannot ignore a market of this size, which means California’s rules often become de facto national standards.

Clashes With Washington

California’s regulatory independence has not always sat well with Washington. Under different administrations, the federal government has either supported or resisted the state’s authority. During the Obama years, California partnered with the federal government to create a unified fuel economy and emissions program, giving automakers a single set of national rules.

Under the Trump administration, the EPA rolled back certain emissions standards, sparking legal battles with California, which insisted on enforcing its own tougher rules. The state formed alliances with other states and even some automakers to defend its position. Today, with federal EV tax credits expiring at the end of September and policy focus shifting, California is again stepping into the driver’s seat by proposing its own financial incentives. These ongoing disputes highlight a deeper question: should environmental and automotive policy be driven by national uniformity, or by one state acting as the policy leader?

California’s ZEV Mandate

The discussion over tax credits cannot be separated from California’s ZEV mandate. Under CARB’s plan, automakers must steadily increase the percentage of EVs they sell, with the ultimate goal of phasing out new gasoline-powered vehicle sales by 2035.

This is one of the most ambitious policies in the country, and automakers are scrambling to meet the targets. Some states, such as New York and Massachusetts, have pledged to follow California’s lead, while others remain skeptical. For consumers, this means that vehicle availability will increasingly be shaped by government mandates and not by market demand. Even if gas-powered cars remain popular, automakers will need to balance that demand with regulatory compliance.

California’s New Incentives

The CARB report suggests that any new program would differ from the federal credits in key ways. Instead of tax credits, buyers could receive point-of-sale rebates, allowing them to benefit immediately rather than waiting until tax season. Incentives may vary depending on income level, vehicle type, or price, so luxury EVs could receive lower rebates while affordable models get more support.

Additionally, any new program would be tied to yearly funding availability, meaning that if budgets tighten, rebates could shrink or disappear. This approach could make the system more flexible, but it also introduces uncertainty for buyers trying to plan their purchases. In the past the state of California and other states have run out of money in the EV fund and left buyers with nothing.

For California residents, the promise of continued incentives is welcome news, but the reality is more complicated. EVs still come with challenges beyond sticker price. Even with rebates, EVs are often thousands of dollars more expensive than comparable gasoline cars. California has built more chargers than any other state, yet many regions remain underserved, and home charging is not always an option, particularly for renters.

EVs also tend to depreciate faster than gas vehicles due to rapid advances in technology and concerns about battery life. Insurance rates are higher on electric vehicles as well. A large expense is electricity rates which are going up across the country. Without a state-supported used EV credit, buyers in this segment may face steeper hurdles. Incentives may help address some of these issues in the short term, but they do not solve the bigger structural challenges of EV adoption.

One of the key criticisms of EV subsidies is that they often benefit wealthier households. Data from federal programs has shown that a large percentage of credits went to buyers in higher income brackets because these households are more likely to purchase new cars, and EVs remain disproportionately concentrated in the premium market segment. California may attempt to address this with scaled incentives, but questions remain about whether the system can truly deliver benefits to everyone. Meanwhile, working-class families who rely on affordable used cars may find themselves subsidizing programs that they cannot realistically take advantage of.

Automakers and the Industry Impact

For automakers, California’s decisions carry immense weight. The state accounts for nearly 12% of U.S. auto sales, and when you include the other states that follow its rules, the market share becomes impossible to ignore. Manufacturers that fail to meet California’s requirements face penalties, while those that comply can earn credits to sell or trade.

This system has created an uneven playing field, favoring companies with strong EV lineups. Tesla, for instance, has profited significantly from selling ZEV credits to competitors in the past. If California establishes a robust new rebate system, it could further tilt the market toward EVs, encouraging automakers to prioritize them even more, take greater loses on each vehicle.

At its core, this debate is about whether government policy should drive technology adoption or whether the market should dictate the pace. California argues that aggressive incentives and mandates are necessary to address climate goals and push the auto industry forward. Critics counter that these policies distort the market, forcing automakers and taxpayers to shoulder costs that may not align with consumer demand. They also warn of unintended consequences, such as reduced affordability, lack of charging stations, and strained electrical infrastructure.

California’s proposal to replace expiring federal EV tax credits with state-funded incentives is the latest chapter in a decades-long story of the state asserting its role as the nation’s automotive regulator. With its ZEV mandate and aggressive environmental policies, California is pushing automakers, consumers, and policymakers to adapt — whether they’re ready or not.

For some wealthier car buyers, this could mean continued financial support when purchasing an EV, but it also raises questions about long-term effectiveness. For taxpayers, it means another debate about where funds should be directed and increased taxes for residents. For the auto industry, it underscores more loses on vehicles that are designed by one states demands.

As history shows, when California moves, the rest of the country often feels the impact. The next few months will reveal whether the state can successfully design a program that keeps EV sales going without overburdening its citizens with more increased taxes. But one thing is certain: decisions made by California will burden at least 11 other states and this is a real issue to watch.

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Lauren Fix is an automotive expert and journalist covering industry trends, policy changes, and their impact on drivers nationwide. Follow her on X @LaurenFix for the latest car news and insights.