Annual Report key figures 302-4: Reduction of energy consumption In 2010, Swiss Post decided to use the annual funds from the redistribution of the CO2 levy on fuels for climate protection and energy efficiency measures in the “pro clima – We’re acting now” sustainability programme: since 2010, over 15 million francs from Swiss Post’s internal CO2 fund alone have been invested in measures such as electric and hybrid buses, electric delivery vans, electric charging infrastructure, biogas and biodiesel, replacement of fossil fuel heaters, LED lighting, awareness-raising and many other measures.