Can anyone explain why is diesel more expensive than normal petrol?

Fluffs questioned:

Can anyone clarify why is diesel more pricey than habitual gas?
I also judge it takes less to manufacture or refine but it cost more, why?
Would it not help the farmers, car drivers and the state if Diesel cost or Tax was less.
Diesel cars are also shown to be more fuel efficient, why is it not encouraged by sinking the tax or cost of them.
Import and Regime Taxes, licensing, Stamp duty, conveying fess, tyres, parts and additional cost of a vehicle and running cost must be based on fuel efficiency.
Franc.

Can anyone explain why is diesel more expensive than normal petrol?

Fluffs questioned:

Can anyone clarify why is diesel more pricey than habitual gas?
I also judge it takes less to manufacture or refine but it cost more, why?
Would it not help the farmers, car drivers and the state if Diesel cost or Tax was less.
Diesel cars are also shown to be more fuel efficient, why is it not encouraged by sinking the tax or cost of them.
Import and Regime Taxes, licensing, Stamp duty, conveying fess, tyres, parts and additional cost of a vehicle and running cost must be based on fuel efficiency.

Is it feasable to start a company from scratch that produces fuel pellets for power plants and Bio-fuel?

Vivianna questioned:

I’m thought of collaborating with a assemble of public to take run of the mill yard waste, organic waste and ancient pine needles from ancient tree farms and turn it all into fuel pellets and Bio-fuel so farmers can concentrate on producing food for public as a substitution for of manslaughter all here assets on producing food crops just for fuel consumption which may maybe lead to a famine of food in the possibility. What are your view and do you reflect it is possible to start a company from scrape?