If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Ask an old-timer at a dhaba near Vapi what a ‘proper truck’ sounds like, and he’ll grin: a good, honest diesel rumble. But drive along the new freight corridors - from the textile towns of Surat to ...

New state legislation aims to set stricter limits on exposure to hydrogen sulfide, a toxic gas produced by sewage. KPBS environment reporter Tammy Murga reports the change could benefit communities ...