Western Star introduced the latest addition to its X-Series–the all-new Western Star 57X. During a pre-release press event, the Western Star team noted that the 57X is the most fuel-efficient truck Western Star has ever built–5.8% more fuel-efficient than its predecessor, the 5700XE. Detroit power options, Detroit technology and tough-as-nails Western Star styling were also … Continue reading Western Star unveils the 57X on-highway truck