question: How are laws written that bring about a ban of incandescent light bulbs ?
answer: by setting minimum efficacy standards higher than can be achieved by incandescent lamps
turker_answer: Laws are written that bring about a ban of incandescent light bulbs by setting minimum efficacy standards higher than can be achieved by incandescent lamps .
rule-based: Laws are written that bring about a ban of incandescent light bulbs by setting minimum efficacy standards higher than can be achieved by incandescent lamps .