Figures for Kazakhstan (after 1995), Kyrgyzstan and Tajikistan (both after 1998) include estimates for freight transported by nontransport operators; breaks in trends indicate where measurement methodology changed.
– it doesn't need to be set higher than 60 ºC. The same goes for the boiler of your central heating. Remember, 70 % of the energy used by households in the EU is spent on heating homes and another 14 % – on heating water.
More green tips