Keep a pad of paper and pen by your bed, that way, when you wake up in the middle of the night with aburningquestion, you can write it down before you forget.
The question is when storing of electricity in batteries or a fuel cell feedstock will become more eonomicial than burninga form of chemical energy to gain mechanical power.
Johnson and Pulis are united by aburning ambition to test themselves in the top flight - and whether or not they would survive once there is aquestion for another day.