Chifukwa cha ubwino wa ma LED monga kugwiritsa ntchito mphamvu zochepa, kusamalidwa kochepa komanso moyo wautali, madera osiyanasiyana padziko lapansi alimbikitsa mapulani m'zaka zaposachedwa kuti asinthe mababu achikhalidwe.
monga ma nanotubes okwera kwambiri mu ma LED.
Magetsi okwezedwa a LED posachedwa adzayatsa chosinthira m'boma la US ku Illinois, atolankhani aku US ati.
Atsogoleri a dipatimenti ya Illinois Highway Department ndi kampani yamagetsi ya Illinois ComEd achita zokambirana kuti apereke nyali zatsopano za LED zogwiritsa ntchito mphamvu pa turnpike.
Dongosolo lokonzedwanso lapangidwa kuti lipititse patsogolo chitetezo ndikuchepetsa kugwiritsa ntchito mphamvu ndikupulumutsa ndalama.
Pali ntchito zomanga zingapo zomwe zikuchitika panopa. Dipatimenti ya Illinois Highway Department ikufuna kuti pofika 2021, 90 peresenti ya kuyatsa kwake kudzakhala ma LED.
Akuluakulu a State Highway Department ati akufuna kukhazikitsa kuyatsa konse kwa LED pofika kumapeto kwa 2026.
Payokha, pulojekiti yokweza magetsi a mumsewu ku North Yorkshire, kumpoto chakum'mawa kwa England, ikubweretsa zabwino zachilengedwe ndi zachuma mwachangu kuposa momwe amayembekezera, atolankhani aku UK adanenanso.
Pakalipano, North Yorkshire County Council yasintha magetsi opitirira 35,000 (80 peresenti ya chiwerengero chomwe akuyembekezeredwa) kukhala ma LED. Izi zapulumutsa £ 800,000 mu mphamvu ndi kukonza ndalama chaka chino chokha.
Ntchitoyi ya zaka zitatu inachepetsanso kwambiri mpweya wake wa carbon, kupulumutsa matani oposa 2,400 a carbon dioxide pachaka ndi kuchepetsa chiwerengero cha kuwonongeka kwa magetsi mumsewu ndi theka.
Nthawi yotumiza: May-27-2021