Iran-linked diesel price spike makes electric trucks cheaper than diesel in key EU markets, environmental group says ↧ ↧ Iran-linked diesel price spike makes electric trucks cheaper than d... A surge in diesel prices linked to this year's Iran conflict has helped make electric trucks cheaper ​to own and operate than diesel models in six ‌major European Union markets, which account for almost half of the bloc's new truck sales, according to an analysis by Brussels-based environmental advocacy ​group Transport & Environment.