<prompt> Translate the following text to EnglishSababu inaonekana kuwa kama teknolojia ya ufanisi inaingia soko na kupunguza bei ya kaboni, ishara zaidi ya bei inahitajika ili kuzalisha kupunguzwa zaidi kwa uchafuzi wa kawaida wa kawaida.  <response>: The reason appears to be that as efficiency technology penetrates the market and reduces carbon prices, more of a price signal is required to generate further reductions in the three conventional pollutants. 