It's official — diesel now costs nearly as much as premium petrol — at least at Shell. In a price board update published at 2pm on Saturday (March 28), British multinational oil and gas company Shell announced a 20-cent increase in its posted price for diesel, raising it from $3.93 to $4.13.The price is just one cent lower than its premium V-Power petrol, priced at $4.14.In hiking diesel prices, Shell, which led the first downward adjustment of pump charges in nearly three weeks on March 25, now reverses the trend it started.It has also become the first to push diesel prices here past both the $3 and $4 mark.On March 10, Shell took its diesel price past the $3 mark with a 26-cent increase — from $2.98 on March 9, to $3.24. Read more