2. Including fuel cells using electromechanical processes for purposes of the energy tax credit (a) In general— Paragraph (1) of section 48(c) of the Internal Revenue Code of 1986 is amended— ⋯ (1) in subparagraph (A)(i), by inserting “or electromechanical” after “electrochemical”, and ⋯ (2) in subparagraph (C)— ⋯ (A) by inserting “, or linear generator assembly,” after “a fuel cell stack assembly”, and ⋯ (B) by striking “electrochemical means” and inserting “electrochemical or electromechanical means without the use of rotating parts”. ⋯ (b) Effective date— The amendments made by this section shall apply to property placed in service after the date of the enactment of this Act. ⋯