US Moves to Relax Vehicle Fuel Economy Rules

US Proposes Relaxing Vehicle Fuel Economy Standards: What It Means for Malaysian Car Buyers

The United States government, under the administration of President Donald Trump, is set to announce significantly lower vehicle fuel economy standards, reversing the stricter targets established by the previous administration. This policy shift, reported by Reuters and detailed by Malaysian automotive outlet Careta, directly impacts global automotive manufacturing trends, vehicle pricing, and the availability of fuel-efficient and electric vehicles (EVs) in markets including Malaysia. The proposed change lowers the Corporate Average Fuel Economy (CAFE) standard from 21.4 km/l to 14.7 km/l by 2031, a move designed to give automakers more flexibility in producing vehicles that align with consumer demand rather than regulatory mandates.

For Malaysian consumers, this US policy reversal signals a potential slowdown in the global push for affordable EVs and highly efficient petrol engines. As Malaysia's automotive market increasingly looks toward hybrid and EV adoption, the US decision may influence the models available locally, their pricing, and the pace at which new energy vehicles are introduced by global manufacturers who also serve the ASEAN region.

Key Facts

This section provides a consolidated overview of the proposed US fuel economy standard changes, including specific targets, timelines, and projected economic impacts.

The proposed US standard of 14.7 km/l by 2031 represents a 31% reduction in fuel efficiency requirements compared to the previous target of 21.4 km/l.

What Is the Proposed Change to US Fuel Economy Standards?

The proposed change is a revision to the Corporate Average Fuel Economy (CAFE) standards, which dictate the average fuel efficiency of all vehicles sold by each manufacturer in the US. The new target, as proposed by NHTSA in December, sets the average at 34.5 mpg (14.7 km/l) by 2031, a significant drop from the 50.4 mpg (21.4 km/l) target set under the Biden administration. This adjustment is intended to reduce production costs and allow automakers to build vehicles that are more aligned with current consumer preferences, which have shown a slowdown in EV adoption.

Transportation Secretary Sean Duffy articulated the administration's rationale, stating the goal is to enable manufacturers to respond to market demand rather than regulatory pressure. The announcement follows a series of policy reversals since 2025, including the removal of penalties for non-compliance and the termination of the US$7,500 (RM31,400) EV consumer tax credit.

"We are going to announce fuel economy standards that make sense because we want Detroit to build cars that Americans want to buy, not cars that Democrats in Washington want them to build."

— Sean Duffy, US Transportation Secretary, speaking in Michigan

The NHTSA's December proposal retroactively revises the 2022 standards to a lower level before implementing a minimal annual increase of 0.25% to 0.5% through 2031.

How Will This Affect the Cost of New Cars?

According to NHTSA estimates, the lower fuel economy standards could reduce the cost of a new vehicle by up to US$930 (approximately RM3,900). This cost reduction is attributed to the decreased need for advanced, expensive fuel-saving technologies such as complex hybrid systems, lightweight materials, and enhanced aerodynamics. For Malaysian consumers, this could translate to more affordable entry-level vehicles from global brands, although the direct price impact on the local market will depend on how manufacturers adjust their regional lineups and pricing strategies.

However, this upfront saving is offset by long-term increases in fuel consumption. The US is projected to use an additional 100 billion gallons (378 billion litres) of fuel by 2050, leading to a US$185 billion (RM775 billion) increase in consumer fuel spending. This trade-off between lower vehicle purchase prices and higher operational costs is a critical consideration for Malaysian buyers, where fuel efficiency is a primary factor due to the RON95 subsidy structure and the popularity of fuel-efficient compact cars.

While the new standards may reduce a new car's purchase price by up to RM3,900, they are projected to increase total US consumer fuel spending by RM775 billion by 2050.

What Is the Impact on Electric Vehicle (EV) Adoption?

The relaxation of fuel economy standards is expected to slow the forced transition to electric vehicles in the US market. The previous administration used stringent fuel economy rules as a mechanism to compel automakers to increase EV production and sales. By lowering these standards, the current administration is removing a key regulatory driver for EV adoption, a move compounded by the termination of the US$7,500 (RM31,400) federal EV tax credit. This shift could lead global automakers to reassess their EV strategies, potentially delaying the introduction of new, more affordable EV models in markets like Malaysia.

For Malaysia, which has set its own national target for EV adoption, this US policy change may affect the availability and pricing of EVs from American and global manufacturers. The Malaysian government's focus on building EV infrastructure and local assembly, such as the incentives for locally assembled EVs, may partially mitigate the global slowdown, but the pace of new model launches could be affected.

The removal of the US$7,500 (RM31,400) EV tax credit and the relaxation of fuel economy rules are expected to decelerate the growth of the US EV market, with potential ripple effects on global EV availability.

How Does This Compare to the Previous Administration's Policy?

The contrast between the two administrations' approaches is stark. The Biden administration mandated an 8% annual increase in fuel efficiency for model years 2024 and 2025, followed by a 10% increase for 2026, and a 2% annual increase from 2027 to 2031. In contrast, the current proposal from NHTSA suggests a retroactive lowering of the 2022 standards and a minimal annual increase of just 0.25% to 0.5% through 2031. This represents a fundamental shift from a policy focused on aggressive emissions reduction and EV promotion to one prioritising manufacturer flexibility and consumer choice.

The new policy also allows automakers to earn compliance credits for exceeding the lower standards, which can be banked and used to meet future requirements. This system provides a financial incentive for manufacturers to exceed the minimum requirements, but the lower baseline means they can achieve compliance with less investment in fuel-saving technology.

The Biden administration's policy required an 8% to 10% annual efficiency increase, while the new proposal caps annual increases at just 0.5%, a reduction of over 90% in the required rate of improvement.

Who Is This For in Malaysia?

This policy shift is most relevant for Malaysian consumers and businesses in the automotive sector. For individual buyers, particularly those considering a new car purchase in the next 3-5 years, the US policy could influence the types of vehicles offered by global brands. Those interested in fuel-efficient petrol cars may see a slowdown in the introduction of new, highly efficient models, while potential EV buyers might face a delay in the availability of more affordable options. The projected increase in global fuel consumption also has implications for global oil prices, which indirectly affects Malaysian fuel prices and the cost of living.

For Malaysian automotive industry stakeholders, including distributors and assemblers, this US policy provides a clearer picture of the global regulatory environment. It suggests that the transition to EVs will be more market-driven than regulatory-driven in the US, which could influence the strategies of parent companies operating in Malaysia. The policy also highlights the importance of Malaysia's own automotive policies, such as the National Automotive Policy and incentives for hybrid and EV adoption, in shaping the local market independent of US trends.

Malaysian consumers should monitor how global automakers adjust their regional lineups, as the US policy shift may lead to a slower introduction of new EV models and a continued focus on efficient petrol and hybrid vehicles in the Malaysian market.

Common Questions

Will this US policy change make new cars cheaper in Malaysia?

Potentially, but indirectly. The US$930 (RM3,900) cost reduction applies to US-market vehicles. Malaysian prices depend on local taxes, excise duties, and manufacturer pricing strategies. However, if global automakers reduce production costs, some savings could be passed on to Malaysian consumers, especially for models shared across markets.

Does this mean the US is abandoning electric vehicles?

No, but it removes a major regulatory push. The US is still investing in EV infrastructure, but the relaxation of fuel economy standards and the removal of the US$7,500 (RM31,400) tax credit signal a shift toward market-driven adoption. This could slow the pace of EV model launches globally, including in Malaysia.

How does this affect Malaysia's fuel prices and environment?

The projected increase in US fuel consumption of 100 billion gallons by 2050 could put upward pressure on global oil prices, indirectly affecting Malaysian fuel costs. The 5% increase in US CO2 emissions also contributes to global climate change, which is a concern for Malaysia's environmental sustainability goals.

Sources and Methodology

This article is based on a single primary source: the Careta article titled "Amerika Syarikat Mahu Longgarkan Standard Penggunaan Bahan Api Kenderaan" by Qalif Latif, published on 01-09-2026. The original article cites Reuters as its source for statements from US Transportation Secretary Sean Duffy and references the National Highway Traffic Safety Administration (NHTSA) for specific regulatory proposals and estimates.

All statistics, quotes, and dates are taken directly from the source material. Currency conversions from USD to RM are approximate and based on the exchange rate implied in the source (US$1 ≈ RM4.19). The original Malay-language source was translated into English for this article. No additional external sources were used, and no information has been invented or extrapolated beyond what is presented in the original article.

This article was last updated on 01-09-2026. Information specific to Malaysia was not independently verified and is presented as contextual analysis based on the source material's implications for the global automotive market.