In terms of carbon emissions, ships are quite efficient. In total, international shipping only accounts for 2% of world carbon emissions.
However, for Singapore, it might be responsible for most of the emissions.
Nah, won't be
*rejects it without trying*
Engines have gotten pretty amazing, Mercedes has a 375-hp, 2-liter turbo 4. It straight blows my mind after decades of slow but incremental horsepower gains since the start of the Malaise Era in American motoring 45 years ago, how power and efficiency gains have really taken off in the last 10 years.
With all that said, you still can't beat the sound of a big rumbling, gurgling, naturally-aspirated V8. I guess it'll always be a part of history.
Because oil is their most abundant resource other than sand (which they also use to make concrete), far less precious than water, they use it in a lot of things. Most of their electricity come from oil-burning plants. They also have a large petrochemical sector of their economy. Look up petrochemical products you might be surprised at all the stuff they can make out of petroleum.