Switching to a diesel car

Current situation

Seven years ago, there were less than 150 diesel cars on the road in Singapore. Diesel cars were perceived to be slow, noisy and unclean. Today there are more than 10,000 diesel cars on the road which is mainly due to advancement in technology of diesel cars. Should you consider a diesel car or keep to petrol cars? We are listing a number of factors to consider to aid you with your decision.

Perceived to be more environmental-friendly

Diesel contains more energy than petrol and vehicle’s engine combustion process is more efficient. This adds up to higher fuel efficiency and lower carbon dioxide (CO2) emissions when using diesel. CO2 is one of the major greenhouse gases, a large factor of air pollution. However, produces more particulate matter (PM) as compared to petroleum. In fact, the particulate emission from petrol cars are so low that they are not routinely measured. Diesel produces more PM pollutants that could pass by the air conditioner into the car, causing indoor air pollution inside the car.


Fuel efficiency is one of the main reasons most people are switching to diesel cars. However, diesel cars can be more expensive than petroleum cars and special tax are placed on diesel cars in Singapore. However diesel fuel is cheaper than petroleum as there is no duty on diesel fuel. Compared to the average petrol-fueled vehicle that most Singaporeans own, diesel cars are at least 15% more fuel efficient.

Taxes on diesel cars and fuel

Currently in Singapore, diesel cars and taxis are levied a lump sum Special Tax, regardless of amount of diesel used. Things will change from 20 February 2017, volume-based duty will be introduced at $0.10 per litre on automotive diesel, industrial diesel and the diesel component in biodiesel. At the same time, annual Special Tax on diesel cars and taxis will be reduced by $100 and $850 respectively. This is to incentivise users to reduce diesel consumption and to shift an annual amount of tax to one which is related to usage. The Special Tax reduction will offset the impact of the new diesel duty for most drivers.

Indoor Air Quality in our cars

With increasing diesel cars on the road, it will translate to more particulate matters which leads to poor indoor air quality. This can lead to many health issues, such as lung irritation or respiratory diseases, and have a direct impact on infant and children mortality. To keep our families and ourselves safe, we need to ensure that the air in our car remains clean at all times.

Purlife driveclear 50 uses 3M HEPA filter which removes 99.97% of air pollutants, such as PM. The filter traps air pollutants and ensures that you are breathing in the cleanest air.

2 thoughts on “Switching to a diesel car

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