Car emissions
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One particular area where we are looking to make changes to our Co2 Emissions is our motor cars. Do you even know how much CO2 your vehicle produces and are you aware that even without changing your car you can reduce your vehicle emissions!
Reducing Car Carbon Dioxide Emissions
* Lower the weight in your car (don't leave unnecessary items in your car, especially if they weigh a lot)
* Check your tyre pressure, you car will perform at its best when the tyres are at the correct pressure, you can find this in your log book, or sometimes on the inside of your car door (at the bottom)
Finding your Sweet Spot
* Don't sit idle, if you are going to be at a standstill for longer than 3 minutes, turn the engine off
* Don't over accelerate, save the 0-60 tests for the track
* Switch the air conditioning off
What is your sweet spot?
There have been many tests conducted on fuel efficiency (CO2 emissions), and despite popular belief driving slow does not always prove to provide the most effective MPG (miles per gallon) or the lowest CO2 emissions.
After various tests it seems that every car is different, and it is your task as the driver of your car to find the most effective speed. Even the same make and model of car can differ so you cannot even rely on another owner's findings.
Read more information on Lowering Your Car's Emissions.
Car Emissions Examples
Below is an example of a range of cars from smart to performance to 4x4 to show that Small Engine Size does not always equal Low Car Exhaust Emissions.
| Make | Engine/BHP* | MPG | Co2 |
|---|---|---|---|
| Smart Car Fortwo Coupe - 2007 onward | P1ltr/61bhp | 60 | 112g/km |
| Mini Cooper S - 2006 onward | P1.6ltr/175bhp | 45 | 149g/km |
| Honda Civic Hybrid - 2006 onward | H1.4ltr/114bhp | 61 | 109g/km |
| Mazda Rx8 - 2003 onward | P1.3ltr 231bhp | 23 | 299g/km |
| Vauxhall Astra T.Top - 2006 onward | P1.6ltr/103bhp | 38 | 168g/km |
| Nissan 350z roadster - 2005 onward | P3.5ltr/276bhp | 24 | 280g/km |
| Porsche 911 Coupe - 2004 onward | P3.6ltr/325bhp | 23 | 295g/km |
| Porsche Cayenne - 2003 onward | P3.6ltr/290bhp | 19 | 310g/km |
| Hyundai Santa Fe CRTD - 2006 onward | D2.2ltr/148bhp | 39 | 191g/km |
| Lexus RX 400h CVT - 2003 onward | H3.3ltr/269bhp | 34 | 192g/km |
| Subaru Forester - 2008 onward | D2.0ltr/144bhp | 44 | 167g/km |
| Ford Fiesta Eco DPF - 2008 onward | D1.6ltr/88bhp | 67 | 110g/km |
| BMW 1 Series 118D - 2004 onward | D2.0ltr/120bhp | 50 | 150g/km |
| Corvette C6 Conv V8 - 2005 onward | D6.16lt/398bhp | 21 | 310g/km |
| Toyota Prius Hybrid - 2009 onward | H1.8ltr/134bhp | 72.4 | 89g/km |
| AudiTT CoupeTDI Quattro - 2006 onward | D2.0ltr/167bhp | 53 | 139g/km |
| *P = Petrol, D = Diesel, H = Hybrid | |||
The 4x4 high emission rumour, is it myth or fact?
Well, that all depends on the vehicle you choose as for example:-
VW Touran 1.9 TDI 7 Seater = 144g/km V’s Vauxhall Astra 1.9 CDT 3 door = 186g/km
You would probably expect that the Astra would show the lowest cars emissions, especially as both vehicles are Diesel, but this isn't the case, it seems that research is the key as you cannot always judge by engine size or fuel which would actually be the lowest on emissions.
Lower CO2 emissions - Lower Road Tax
By purchasing a car with lower CO2 emissions, you lower the level of Road Tax payable to the government. The levels for each increase in road tax are dictated by the emission level of your car and the levels are as follows:-
| Tax Band | Cost of 12 months Tax | Emissions | Number of vehicles in this category |
|---|---|---|---|
| A | Free | 0 g/km 100 g/km | 8 |
| B | £35 | 101 g/km 120 g/km | 268 |
| C | £120 | 121 g/km 150 g/km | 945 |
| D | £145 | 151 g/km 165 g/km | 878 |
| E | £170 | 166 g/km 185 g/km | 900 |
| F | £210 | 186 g/km 225 g/km | 1106 |
| G | £400 | 225 g/km + | 668 |
So you can see that currently the lowest emission categories have the fewest vehicles though in time I think we should expect to see this change.
As previously mentioned this is only a small selection so that you can see that engine size does not automatically equal low emissions, the best thing you can do is to keep in mind emissions when looking for your next car and of course the Sweet Spot when driving your current car. The "drivers" out there are not going to want to sacrifice driving pleasure for fuel economy or lowering CO2, but you may be able to find a car which for you ticks all the boxes. There are so many makes and models to choose from now you should be able to find one that is perfect for you.
where to now? Lowering car Emissions Ride 2 Work Home Insulation Grants
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11 months ago by DoodoBity
Great article but I've found another good way to reduce emissions as well as smooth driving.
Having just failed an MOT on emissions I spoke to my nechanic who sold me a can of Injector Cleaner. Once car was treated I drove it for 20 miles then put it through the test again and behold...it passed!
His reason was that engines basically get dirty internally and should be cleaned periodically especially if like me, you use the cheapest fuel. So there you go, my emissions were cut by over a third by simply pouring a can of this stuff in!
He let me have the can and the name of it is Injection Correction.
So in my opinion, if we all drove more smoothly and kept our engines clean then we will definately make a little difference!
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1 year ago by Flandy