An engine having one valve in the Head and the other in
the Block. The position of the valves create an
F shape in combination with the Combustion
chambers. Compare L-head engine where both
valves are in the block and none in the head. Compare the
I-head engine where both valves are in the head
and none in the block.
Federal Highway Administration: The U.S. federal agency of the department of transportation responsible
for the administration of federal highway funds. FHWA coordinates highway transportation programs in
cooperation with states and other partners to enhance the country's safety, economic vitality, quality of
life, and the environment. Major program areas include the Federal-Aid Highway Program, which provides
federal financial assistance to the States to construct and improve the National Highway System, urban
and rural roads, and bridges. This program provides funds for general improvements and development of
safe highways and roads. The Federal Lands Highway Program provides access to and within national forests,
national parks, Indian reservations and other public lands by preparing plans and contracts, supervising
construction facilities, and conducting bridge inspections and surveys.
