TRUCK & OFF-HIGHWAY ENGINEERING ® Diesel in distress Chip shortage undercuts surging demand Executive Viewpoints Cummins Allison Saft Optimizing platooning June 2021 offhighway.sae.org Supplier Directory + Product Guidehttp://offhighway.sae.org/ https://www.sae.org/ https://www.sae.org/publications/magazines/truck-off-highway-engineering