lithium ion, new technology to you, but not new to the world. the aviation industry regulated volume of it and all other things. do you think you're behind the power curve and have to play catch up? you described not knowing how to replicate that. is that one of the problems going forward on a mass basis with large vol yules of a new, basically other sealed battery that you used? >> well, arguably, we're teamed with the probably one of the leaders, not the leader in battery technology in the world, and that's lg kim out of korea, and they built a plant in holland, michigan to supply not only our cells, but the other competitors in the same market. i'd say we're a leader in this. we understand the battery technology well, we have a battery lab specifically to study the technology and the evolution and improvement we expect over the years. >> i was not trying to ask what you were doing because i know you're doing that, but in fairness, it's catch up. the american automobile companies, including your previous leased automobile, you're playing catch