Please follow http://ntrs.nasa.gov/search.jsp?N=4294129242&Ntk=Title|All&Ntt="hybrid"|vehicle*&Ntx=mode matchall|mode matchall.

Please follow http://ntrs.nasa.gov/search.jsp?N=4294129242&Ntk=Title|All&Ntt="hybrid"|vehicle*&Ntx=mode matchall|mode matchall.