Stellantis Halts EV Lines as Beijing Publishes Its Battery Plan

Detroit 1981: the tariff that built the factories

In May 1981 Tokyo accepted a cap on its own car exports to the United States: 1.68 million vehicles in the first year. Washington presented that cap as a defence of domestic industry.

The mechanism ran: quantity limit, higher price, local investment.

Honda opened Marysville, Ohio, in November 1982. Nissan started up Smyrna, Tennessee, in June 1983. Toyota entered Fremont with General Motors in December 1984, and in 1988 inaugurated Georgetown, Kentucky.

Three precedents are enough to call it a pattern. The tariff brings Asian manufacturers in, rather than keeping them out. Whoever writes the rule of origin hands a rent to whoever can build fast.

Europe knows the same game. In 1988 Paris refused to treat the Nissan Bluebird built at Sunderland as European: it demanded 80% continental value. London called that a threshold invented for the occasion, and the Commission closed the dispute in 1990.

Sochaux and Rennes: the rule meets the line

On 30 September 2026 Stellantis announced the suspension of several French electric lines over a shortage of long-range batteries, as the plant reporting records^[1]. Sochaux halts the Peugeot 3008 and 5008 from 23 to 30 October. Rennes, home of the Citroën C5 Aircross, closes from 22 to 30 October.

Mulhouse stays idle from 15 to 30 October for separate reasons.

Versions with the 73 kWh pack, sourced from China, arrive at a steady rate. Those with the 97 kWh pack built in France are scarce. The customer who paid a 5,000 euro premium waits up to eight months.

The group says it wants to avoid a stock of cars far from real demand. On the record it cites batteries still in short supply, and alongside that "the great progress made by ACC".

Corporate fleets, which pick the generous ranges, are pushing back their replacement plans.

Douvrin: a thousand cars a month

ACC is the joint venture of Stellantis, Mercedes and TotalEnergies. Douvrin remains its only gigafactory running, after the projects in Germany and Italy were abandoned.

In early 2026 that plant was fitting roughly 1,000 cars a month with the long-range pack. The defect rate stayed high. A team of engineers arrived from China to stabilise the line.

Matthieu Hubert, secretary general of ACC, describes a "difficult" production ramp and says the company learns something every day.

The detail that matters sits there: stabilising a European cell plant runs through Chinese expertise. The bottleneck is the plant; the hole is the industrial know-how that European capital deferred for a decade. Whoever controls the ramp controls the outcome, as much as whoever controls lithography in semiconductors.

Beijing, 28 September: the plan for the next generation

On 28 September 2026 China's MIIT, together with six other bodies including the NDRC and the Ministry of Transport, published the 2026-2030 battery plan.

Three lines sum it up: industrial scale for solid state by 2030, tax exemption for sodium-ion and solid state until the end of 2028, an excise duty of 2 to 4 per cent on lithium-ion from September 2027. The document was made public with the rates spelled out.

The structure of that text matters more than its announcement. Beijing taxes the chemistry it already dominates and supports the two it intends to dominate. Lithium-ion pays the bill for its own maturity.

Brussels writes a content requirement. Beijing writes an industrial calendar with a fiscal lever attached to every line. The two documents carry similar names and perform opposite functions.

306 GWh: the sum ACEA put in writing

On 29 September 2026 ACEA released the Mobility Global study on the Industrial Accelerator Act. In every scenario examined, cell supply stays behind demand.

Two figures carry the argument: roughly 3 million vehicles outside the "Made in Europe" incentives once the rule applies in 2028, and European cell production stuck at 306 GWh by 2032.

On 25 September 2026, in an official note with the Ricardo study attached, the same association estimated that around half of the medium and heavy trucks built in Europe today would miss the local content requirement.

That PDF is worth more than ten press releases. It measures the European content of a truck piece by piece, and shows where the value has already left the continent.

The mechanism: origin against capacity

A rule of origin works like a price. Whoever owns local capacity collects a premium; whoever lacks it pays a fine dressed up as a forfeited incentive.

The next step is mechanical. The European manufacturer short of cells slows its lines, loses orders and compresses its margin. The Asian manufacturer that produces those cells moves the factory inside the perimeter of the rule and collects the same premium.

This is a regime change, never a cycle. The Douvrin shortage belongs to the cycle, and it closes within three or four quarters. The divergence between rule of origin and industrial capacity is structural, and it lives on a decade scale.

The divergence between the rule and the factory always resolves. The question is how: through a political delay, through a technical derogation, or through Asian ownership of the plants that satisfy the requirement.

This desk's position, and what would refute it

The European local content requirement on batteries, on this calendar, transfers market share to Asian producers inside Europe, rather than protecting European lines.

The market has priced the incentive. It has ignored the physics of the ramp: a cell plant needs three to five years to reach industrial yield, and Douvrin proves it at a thousand cars a month.

One precise piece of evidence would change my mind: ACC declaring more than 10,000 cars a month fitted with long-range packs by the end of 2027, with the scrap rate published.

European political fragmentation over the current four-year cycle weighs here more than the models admit. A rule that halts French lines in 2028 becomes election material in France, in Germany and in Italy.

Three implications for capital

1. 36-month horizon: owners of cell capacity inside the EU are worth more than the brands that fit those cells.
2. 18-month horizon: regulatory risk on European auto suppliers sits in the calendar, before it sits in the threshold.
3. 12-month horizon: Asian joint ventures with European plants become the channel of access to the incentives.

The board that treats local content as a procurement topic has the category wrong. It is a question of asset ownership, and it is being decided now.

The forecast, and what to watch

Forecast: by 31 December 2027 the European Commission introduces a derogation, a reduced threshold or a delay in the local content requirement of the Industrial Accelerator Act.

Confidence: Medium, 70. Horizon: 31 December 2027. Verification: the text published in the Official Journal of the European Union, compared with the initial proposal.

Kill signal: the regulation arrives by that date with the local content requirement intact, free of derogations, reduced thresholds or delays.

What to watch:

• The cars per month fitted by Douvrin, as declared by ACC or by Stellantis.
• Announcements of Asian-owned European cell plants, with start dates.
• The first Chinese tax exemptions awarded to sodium-ion and solid state.

The first indicator says whether European capacity exists. The second says who will collect the premium written in Brussels. The third says how much chemistry advantage will separate the two blocs in 2030.