The EV Cliff Arrived on Schedule, But Not Just Buyers Ran Away

California's electric vehicle share fell to 13.7 percent of new registrations in Q1 2026, down from 21 percent in 2025, and U.S. EV sales dropped 27 percent year over year. The conventional reading attributes the decline to lost demand following the September 2025 expiration of the federal $7,500 credit. UC Davis Electric Vehicle Research Center analysis finds that demand softened by less than 20 percent. The larger and more persistent driver was a contraction in supply, as traditional OEMs canceled models, delayed programs, and retreated under tariff pressure. 

The first-quarter 2026 numbers are in, and the headlines are grim. California EVs, not including plug-in hybrids, fell to 13.7 percent of new registrations, the lowest share since late 2021, down from 21 percent in 2025. Tesla's California sales dropped 24 percent. Nationally, EV sales fell 27 percent year over year to 216,399 units, barely 5.8 percent of the new car market.

None of this is a surprise. The Trump administration spent 2025 methodically dismantling the policy scaffolding that supported electric vehicles. Congress and the President revoked California's Clean Air Act waivers in June. The One Big Beautiful Bill Act zeroed out CAFE penalties and let the $7,500 EV tax credit expire on September 30. In December the administration proposed rolling CAFE standards back to 34.5 mpg by 2031, down from the Biden-era 50.4 mpg target. Detroit's response was a full retreat. The three Detroit automakers have now taken roughly $53 billion in combined EV write-downs. Numerous additional examples point in this direction, and here are a few of the most recent ones: Stellantis killed the Ram EV, Ford killed the F-150 Lightning, Volkswagen is ending ID.4 production in Chattanooga, and GM has delayed its full-size electric trucks and SUVs indefinitely.

The interesting question is not whether the market crashed. Markets do not crash. A market is the place where buyers and sellers meet, and the quantity sold reflects the intersection of demand and supply that day. When sales fall sharply, one of three things has happened: buyers are less willing to pay for a good, suppliers are less willing to supply a good, or both. The question is whether buyers or sellers shifted, and by how much. The answer matters, because the policy response depends on it. If the sales cliff is mostly buyers walking away, the market will not recover until something brings them back. If the cliff is mostly automakers retreating, the market will recover when the rules that drove them to invest are restored. 

Start with demand. Our research at UC Davis finds that demand for EVs in California is strong and resilient. Once a household buys its first EV, the vast majority buy it again. Only a small share of early adopters find that the technology does not fit their needs. The large majority of early California buyers would have made the same EV purchase or lease without subsidies. California's EV market is broadening, with many buyers shifting from early adopter to early mass market (see Fig 1 where demand is especially strong in many metropolitan areas). Demand did soften in Q1 2026: some prospective 2026 buyers instead pulled their purchases forward into 2025 to beat the credit expiration, while a smaller share walked away from EVs for political or product-fit reasons. But the demand shift is bounded. Our most recent survey, fielded at the end of the federal incentive period, suggests that losing the $7,500 credit reduces sales by around 20 percent for both first-time and repeat buyers, and by even less if dealers pass the lost subsidy through as a lower sticker price. Subsidies tend to inflate transaction prices, so the net effect on the buyer is smaller than the headline.

Now look at supply. Traditional OEMs have pulled EV models off the market, delayed next-generation programs, and retooled plants back to gasoline production. Combined tariffs of more than 125 percent on Chinese EVs, plus Section 232 duties on all imported vehicles, have walled off the most competitive EVs in the world from the U.S. market. The set of EVs a California buyer can actually find on a dealer lot in April 2026 is much narrower than those the same buyer could find a year ago. Automakers greatly reduced their willingness to supply.

The arithmetic of the gap follows directly. Losing the federal credit should have reduced demand by, at most, 20 percent, and most likely less—but the actual reduction in California was 35%. Shifts in demand account for about half the reduction in sales. Automaker shifts in behavior accounted for the other half. 

Figure 3 shows where the collapse happened. The largest drop came from traditional automakers, not the EV-only brands. Sales of EVs by traditional automakers fell from roughly 10 percent of their total sales to around 5 percent, a much sharper drop than experienced by the EV-only companies (mostly Tesla and Rivian). The cancellation of dozens of new EV models, combined with tariff-driven supply uncertainty and limited availability of imported EVs, cut California buyers off from the vehicles they wanted and pushed many toward gasoline hybrids (such as the Prius).

March 2026 provided a real-world experiment. When the Iran war began on February 28, the U.S. national gasoline average climbed above $4 per gallon for the first time since 2022, up more than 30 percent in four weeks. California prices crossed $5 per gallon in the second week of March. 

If the demand-side story were the whole story, this is exactly the moment the market should have jumped back. Cox Automotive reported that rising gas prices were pushing more consumers to consider electrified vehicles, with on-line shopping traffic on Kelley Blue Book and Autotrader notably improved, but did the supply met this demand? 

Both new and used EVs attracted more customers. The price shock only hit the final month of the quarter, but even so one would expect sales to increase at least a little. They barely did. Buyers wanted more EVs, not fewer. What they could not always do was find one on the lot at a price they liked.

Tesla is the exception that confirms the rule. Tesla has registered fewer vehicles in California every quarter since 2024, with blue-state buyer loyalty dropping from 72 to 65 percent in a single year and Bay Area sales off more than 25 percent. Tesla's California problem is part subsidy, part Elon Musk politics, and part product: Musk canceled the planned low-cost Model 2 in 2024 to pivot to Cybercab and Optimus, leaving Tesla with two aging models to sell into a market choosing from dozens of alternatives. Tesla's drop is real, but it is a brand-specific story, compared to most of the the other OEM drop in sales. 

The Q1 2026 cliff is real. Losing the federal credit canceled some demand and pulled some demand into 2025, and a small share of buyers genuinely walked away. But the much larger story, and the one likely to persist, is the phenomena of shrinking supply of EVs in the California market. The cliff is real, but it was not only buyers who backed off. It was the policy environment and the automakers that responded to the change in policy. What restored the market last time was a regulatory floor for EV supply. That is what would restore it again.

References

Automotive News Europe. (2026, March 18). EV, hybrid interest lifted by rising fuel prices amid Iran conflict. Automotive News. https://www.autonews.com/ev/ane-gasoline-prices-war-iran-ev-intererest-0318/

Ballentine, S. (2026, April 7). Why GM is sticking with EVs as rivals pivot to hybrids. The Detroit News (syndicated at gmtoday.com). https://www.gmtoday.com/autos/why-gm-is-sticking-with-evs-as-rivals-pivot-to-hybrids/article_49e193f2-070c-4bae-a685-2d623b4494c2.html

California New Car Dealers Association. (2026, April 21). California New Car Dealers Association releases Q1 2026 auto outlook. https://www.cncda.org/news/california-new-car-dealers-association-releases-q1-2026-auto-outlook/

Cars.com Editorial. (2026, April). Electric car interest surges 25% on Cars.com. Cars.com. https://www.cars.com/articles/electric-car-interest-surges-25-on-cars-com-523578/

Cable News Network. (2025, March 20). The used Tesla market is crumbling. CNN Business. https://www.cnn.com/2025/03/20/business/even-used-teslas-are-falling-out-of-favor/index.html

Consumer News and Business Channel. (2025, December 23). EV realism is here. How GM, Hyundai, Ford react in 2026 will be telling. CNBC. https://www.cnbc.com/2025/12/23/evs-gm-ford-hyundai-tesla.html

Consumer News and Business Channel. (2026, March 31). U.S. gas prices hit $4 per gallon as fuel prices surge due to Iran war. CNBC. https://www.cnbc.com/2026/03/31/gas-oil-diesel-price-iran-war.html

Cox Automotive. (2026, April 10). EV sales decline slows in first quarter of 2026, share stabilizes near 6%. https://www.coxautoinc.com/insights/q1-2026-ev-sales-report-commentary/

Dadush, U. (2024, May 16). Rippling out: Biden's tariffs on Chinese electric vehicles and their impact on Europe (Analysis 13/2024). Bruegel. https://www.bruegel.org/analysis/rippling-out-bidens-tariffs-chinese-electric-vehicles-and-their-impact-europe

Electrek. (2026, April 21). Tesla's California sales crash 24% as state's EV market plunges to lowest since 2021. https://electrek.co/2026/04/21/tesla-california-sales-crash-24-percent-q1-2026-ev-market/

EVXL. (2025, May 17). Tesla sales drop in California threatens state's EV goals, experts warn. https://evxl.co/2025/05/17/tesla-sales-drop-in-california-threatens-states-ev-goals/

Floyd, D. (2026, April 9). VW will stop producing the ID.4 in Chattanooga this month amid shift in focus. Chattanooga Times Free Press. https://www.timesfreepress.com/news/2026/apr/09/vw-will-stop-producing-the-id4-in-chattanooga/

Fortune. (2025, February 3). Tesla sales decline in California with Model 3 plunging 36%. https://fortune.com/2025/02/03/tesla-sales-plummet-california-model-3-electric-vehicles/

Gibson, Dunn and Crutcher. (2025, December 5). NHTSA proposes overhaul of fuel economy standards: SAFE Rule III for model years 2022 to 2031 passenger cars and light trucks. https://www.gibsondunn.com/nhtsa-proposes-overhaul-of-fuel-economy-standards-safe-rule-iii-for-model-years-2022-2031-passenger-cars-light-trucks/

Hardman, S., and Tal, G. (2021). Understanding discontinuance among California's electric vehicle owners. Nature Energy, 6(5), 538 to 545. https://www.nature.com/articles/s41560-021-00814-9

How-To Geek. (2026, April). Tesla is making a cheaper personal EV despite Elon Musk's robotaxi dreams. https://www.howtogeek.com/tesla-cheaper-smaller-ev-model-2/

InsideEVs. (2025, December 15). The Ford F-150 Lightning EV is officially dead (Article 781883). https://insideevs.com/news/781883/ford-f-150-lightning-dead/

Internal Revenue Service. (2025). Clean vehicle tax credits. U.S. Department of the Treasury. https://www.irs.gov/clean-vehicle-tax-credits

Lee, J. H., Shim, J., and Hardman, S. (2026). Comprehensive analysis of electric vehicle (EV) discontinuation: Assessing satisfaction with replacement vehicles from multiple angles. Transportation Research Part A: Policy and Practice, 203, 104755. https://www.sciencedirect.com/science/article/pii/S096585642500388X

Nuccitelli, D. (2026, April 1). What the Iran conflict means for gas prices, clean energy, and the climate. Yale Climate Connections. https://yaleclimateconnections.org/2026/04/what-the-iran-conflict-means-for-gas-prices-clean-energy-and-the-climate/

The Drive. (2026, April 21). GM delays full-size electric truck and SUV redesigns: Report. https://www.thedrive.com/news/gm-delays-full-size-electric-truck-and-suv-redesigns-indefinitely-report

Time Magazine. (2026, April 8). How high could gas prices go? What to know about the Iran war's ongoing impact. https://time.com/article/2026/03/31/gas-prices-us-iran-war/

U.S. Department of Transportation. (2025, December 3). President Trump and Transportation Secretary Sean P. Duffy unveil new “Freedom Means Affordable Cars” initiative to reset fuel economy standards [Press release]. https://www.transportation.gov/briefing-room/president-trump-transportation-secretary-sean-p-duffy-unveil-new-freedom-means

WardsAuto. (2025, December 17). Ford abandons F-150 Lightning, looks to gasoline range extender replacement. https://www.wardsauto.com/news/ford-scraps-ev-f150-lightning-replacement-erev/807986/

White House. (2025, June 12). Statement by the President. https://www.whitehouse.gov/briefings-statements/2025/06/statement-by-the-president/

Wikipedia contributors. (2026). Economic impact of the 2026 Iran war. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Economic_impact_of_the_2026_Iran_war