Per-mile EV tax is just the first stop on the road to vehicle taxation reform | Letters

The piece critiques the UK budget’s introduction of a per-mile charge on selected electric vehicles (reported as 3p per mile) and argues for taxing electricity consumption instead of mileage to better capture externalities; current electricity taxes cited include VAT (variable: 5% at home, 20% at public chargers) and the climate change levy at 0.8p/kWh. The author notes petrol/diesel vehicles pay roughly 7p per mile in fuel taxes and estimates EV tax parity would imply about 23p per kWh, urging EVs to log kWh use for taxation; the debate has implications for EV running costs, public charging economics and potential regulatory changes to vehicle taxation.

Analysis

Market structure: The announced 3p/mile levy (≈£240/yr at 8k miles, ≈£360/yr at 12k miles) reduces the running-cost advantage of EVs versus ICE and immediately favors legacy fuel demand and integrated oil majors that earn from fuel and charging (Shell/SHEL, BP/BP). Pure-play charging networks and high-multiple EV names (ChargePoint/CHPT, Blink/BLNK, Tesla/TSLA) face margin and adoption headwinds; utilities with regulated networks (National Grid/NGG) are more insulated. Cross-asset: expect modest rotation into energy equities (XOM, CVX) and commodity reflation (oil +1–3% over months), while UK gilt volatility may tick up if fiscal receipts from transport are reprofiled.

Risk assessment: Tail risks include rapid policy escalation to mileage pricing across all vehicles (high-impact, <10% probability) or a political backlash that repeals/softens the charge within 6–12 months. Short-term (days–weeks) market moves will be headline-driven; medium-term (3–12 months) sales/lease pipelines and capex plans for chargers will reprice; long-term (2–5 years) EV penetration curves could be reduced 5–15% versus base-case adoption. Hidden dependency: enforcement design (kWh vs mileage) determines winners — a kWh tax shifts more cost onto public charge-point operators and away from home-charging households.

Trade implications: Tactical plays: favor integrated oil majors (establish 2% long in XOM and 1–2% in SHEL sized to portfolio) on a 3–12 month horizon, and initiate small short positions in pure charging/EV infra (CHPT, BLNK) sized 1–2% with tight stops. Pair trade: long XOM (1.5%) / short CHPT (1%) for 3–6 months; expect 20–40% relative re-rating if UK policy slows EV growth by cited 5–10%. Options: buy 3-month CHPT 10–15% OTM puts (25–35% IV) as low-cost asymmetric hedge.

Key Decisions for Investors

• Establish a 1.5–2% long position in ExxonMobil (XOM) and a 1% long in Shell (SHEL) over a 3–12 month horizon to capture potential slowing EV penetration; target +15–30% upside relative to market if EV adoption slows 5–10%.
• Initiate a 1% short position in ChargePoint (CHPT) and a 0.5–1% short in Blink Charging (BLNK) for 3–6 months; set stop-loss at 15% adverse move and take-profit at 30–40% as headline risk re-prices growth multiples.
• Enter a pair trade: long XOM (1.5%) / short CHPT (1%) to express relative winner/loser. Rebalance if UK HM Treasury publishes kWh-based tax within 30–60 days (see catalyst below).
• Buy 3-month OTM puts on CHPT (10–15% OTM) sized to 0.25–0.5% portfolio risk as a volatility hedge against policy-driven downside; roll or close if IV compresses >40% or when primary implementation details are published (target 30–60 days).
• Monitor HM Treasury and DfT publications daily for (a) whether tax is per-mile vs per-kWh, (b) exemption lists, and (c) start date — if draft regulations move to kWh taxation, trim charging shorts and increase short exposure to public-charging REITs/infra operators within 7–14 days.