Marcus Whitfield

Marcus Whitfield

EV Running-Cost Analyst

Marcus models US electricity tariffs and electric-vehicle running costs for ChargeCostLab. His work reconciles federal energy data, EPA efficiency ratings and individual utility tariffs into per-state figures a driver can check against their own bill. He takes no payment from utilities, automakers or charging networks, and every calculation here is reproducible from the cited primary sources.

Areas of expertise

  • Electric vehicle charging costs
  • US residential electricity tariffs
  • Time-of-use rate plans
  • EV energy efficiency

Articles by Marcus Whitfield