collecting data from any source for the purpose of determining the relationship between manufactured home performance characteristics and (A) accidents involving manufactured homes, and (B) the occurrence of death, personal injury, or damage resulting from such accidents;

procuring (by negotiation or otherwise) experimental and other manufactured homes for research and testing purposes;

selling or otherwise disposing of test manufactured homes and reimbursing the proceeds of such sale or disposal into the current appropriation available for the purpose of carrying out this chapter;