I was filling up yesterday and noticed a sticker on the diesel pump warning about the damage the low sulfur fuel might do to new engines that I wanted to know a bit more about.

Want to idle that diesel engine in your 2008 or newer medium-duty truck in California for more than five minutes? You'll need a sticker for that. Want to idle that diesel engine in your 2008 or ...

The Supreme Court on Wednesday observed that the onus of implementing colour-coded stickers for petrol and diesel vehicles in Delhi and the National Capital Region (NCR) was on vehicle owners ...