In Africa’s largest economy, the market price of diesel has refused to fall despite the fall in global crude prices, with Brent crude averaging $80 a barrel.

BusinessDay results showed that small business owners are still feeling the heat from the high price of diesel, which is unregulated by the government.

Brent crude, the international oil benchmark, fell 33 percent from a peak of $122 a barrel as the war between Russia and Ukraine intensified.

Before the war, Brent stood…