Ford to offer 2014 F-150 with natural gas option
Green Car Congress
JULY 31, 2013
Silverado 2500HD and 3500 HD and Sierra HD). liter V6 engine will be available this fall with a factory-installed, gaseous-fuel prep package that includes hardened valves, valve seats, pistons and rings so it can operate on either natural gas or gasoline through separate fuel systems. Earlier post.). The 2014 Ford F-150 with 3.7-liter
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