What’s The Difference Between Common Rail And Mechanical Injection Diesels? 365daily.net February 8, 2026 Diesel engines rely on different types of fuel injection. Mechanical was used early on, but common rail became more popular for a few reasons. Â Continue Reading Previous: I wanted to ditch Google News, but the alternatives made it worseNext: Toyota’s Famous Logo Has A Deeper Meaning: Here’s What It Really Symbolizes