[Code of Federal Regulations]
[Title 49, Volume 6]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR624.3]

[Page 38-39]
 
                        TITLE 49--TRANSPORTATION
 
                             TRANSPORTATION
 
PART 624--CLEAN FUELS FORMULA GRANT PROGRAM--Table of Contents
 
Sec. 624.3  Eligible activities.

    (a) Eligible activities include the purchase or lease of clean fuel 
buses and facilities, repowering or retrofitting buses to operate on 
clean fuels, and the improvement of existing facilities to accommodate 
clean fuel buses.
    (b) The term ``clean fuel vehicle'' means a vehicle that--
    (1) Is powered by --
    (i) Compressed natural gas;
    (ii) Liquefied natural gas;
    (iii) Biodiesel fuels;
    (iv) Batteries;
    (v) Alcohol-based fuels;
    (vi) Hybrid electric;
    (vii) Fuel cells;
    (viii) Clean diesel, to the extent allowed under this section; or
    (ix) Other low or zero emissions technology; and
    (2) The Administrator of the Environmental Protection Agency has 
certified sufficiently reduces harmful emissions.
    (c) Eligible projects are the following:
    (1) Purchasing or leasing clean fuel buses, including buses that 
employ a lightweight composite primary structure, and vans for use in 
revenue service. The purchase or lease of non-revenue vehicles is not an 
eligible project.
    (2) Constructing or leasing clean fuel bus facilities or electrical 
recharging facilities and related equipment. Facilities and related 
equipment for clean diesel buses are not eligible.
    (3) Improving existing mass transportation facilities to accommodate 
clean fuel buses.
    (4) Repowering pre-1993 engines with clean fuel technology that 
meets the current urban bus emission standards. Repowering means the 
removal of an engine from a bus followed by the installation of another 
engine and applies to engines that are replaced with new, previously 
unused, engines as well as those exchanged from an inventory of rebuilt 
engines.

[[Page 39]]

    (5) Retrofitting or rebuilding pre-1993 engines if before half life 
(e.g., prior to six years of bus life) to rebuild; ``retrofit'' means 
use of the latest after-market technology such as ``upgrade kits,'' or 
after-treatment devices that treat the exhaust after it has left the 
engine, such as catalytic converters and particulate filters.
    (6) At the discretion of FTA, projects relating to clean fuel, 
biodiesel, hybrid electric, or zero emissions technology vehicles that 
achieve emissions reductions equivalent or superior to existing clean 
fuel or hybrid electric technologies.