Triumph Bonneville America chrome silencers, a new design of cast alloy wheels, adjustable clutch and front brake levers and a new all black engine finish with chromed covers. The chrome chain cover, pillion footrest hanger and upper fork shrouds were restyled and a more comfortable pillion seat fitted. In 2008, the UK version of the Bonneville America was further updated with an electronic fuel injection system to meet the European emission legislation, with the fuel injectors concealed by dummy carburetors. The US version of the Bonneville America was not updated to EFI until 2009. Triumph Bonneville America The Triumph Bonneville America is a
Bonneville Dam withstand flooding on an unprecedented scale. Electrical power generated at Bonneville is distributed by the Bonneville Power Administration. Bonneville Lock and Dam is named for Army Capt. Benjamin Bonneville, an early explorer credited with charting much of the Oregon Trail. The Bonneville Dam Historic District was designated a National Historic Landmark District in 1987. In 1896, prior to this damming of the river, the Cascade Locks and Canal were constructed, allowing ships to pass the Cascades Rapids, located several miles upstream of Bonneville. Prior to the New Deal, development of the Columbia River with flood control, hydroelectricity, navigation and irrigation