<prompt> Translate the following text to EnglishKwa ujumla, mpango wa biashara na mahitaji ya kuweka vyeti itaanza mwaka wa tatu baada ya mwaka wa kwanza kuanzia 2018 ambapo jumla ya uzalishaji wa EEGs unaohusika inazidi tani 271,000.  <response>: Generally, the trading program and the requirement to hold allowances will begin the third year after the first year starting 2018 in which the total emissions of affected EGUs exceed 271,000 tons. 