<prompt> Translate the following text to EnglishVipengele vya CO2 katika S. 556 vitagharimu watumiaji sana na kuhatarisha usalama wetu wa nishati kwa kusababisha uzalishaji wa umeme mwingi kupita kiasi kubadilisha kutoka makaa ya mawe hadi gesi asilia.  <response>: The CO2 provisions in S. 556 will cost consumers too much and endanger our energy security by causing too much electricity generation to switch from coal to natural gas. 