What you need to know about the diamonds and gasoline price in US and Australia

The US is the world’s biggest exporter of diamonds and petrol, but its gasoline prices are among the world most expensive.US petrol is about $3.20 per litre (about 10 US cents), while Australia’s is $1.50 per litres (about 9 cents).The average US household has about 8,000 litres (1,000 gallons) of petrol, according to US Census […]