Despite – or because of – this lack of definition and measurability, policymakers, write Böhringer and Keller, “exploit the energy security argument to justify a myriad of measures.” Such measures even include bans on light bulbs and patio heaters, tax breaks for bicycle owners, standards for tire pressure, and tests for fuel-efficient driving – none of which would appear to have much impact on the level of Russian or Middle Eastern oil imports.