Light Bars Led - Preserving Safety On Our City Streets And Highways

Anyone seeking at conserving funds by switching to a 'greener' way of lifestyle is bound to have come across the par 20 LED light bulb, as well as the mr16 LED bulbs, but what do you actually know about them? Are they any better than the other energy saving light bulbs? Do they price you less in the lengthy run? And, do they genuinely do anything at all to assist save the planet?