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• Veg oil in your tank 13 Jul 2001 (Forum)
  I have read with fascination the pieces in Backroom and on your Telegraph page about the use of salad oil instead of diesel. However, I looked up Auto Bild on the web and went into their archive. I couldn't find any test of a Polo using salad oil over a long period (though there was material about a diesel Polo and its fuel economy) and I think all this must emanate from the following article, which I have pasted in - in both the original German and a Babelfish computer translation, which has a certain surreal quality.
• Any used car - "Sibra" Nanocarbon lubricant 17 Feb 2019 (Forum)
  3. Increase the degree of compression in the internal combustion engine. 4. Reduced fuel consumption. 5. Reducing internal friction losses. 6. Easier start of ICE at low temperatures. 7. In some cases, there is a decrease in oil consumption, improvement of the operation of fuel equipment.
• Ford - 1.0 litre destined for Focus & possibly Mondeo 29 Jan 2012 (Forum)
  Taken from Car magazine website Tomorrow's world: Ford's downsized 1.0-litre Ecoboost By Jesse Crosse Motor Industry 25 January 2012 17:41   Direct injection petrol and diesel, hybridisation, downsizing, turbocharging, twin-charging the list of efficiency-boosting, fuel saving features being offered in new cars is becoming so long, buying a new one is like revising for exams.
• Replacement car suggestions 21 Aug 2005 (Forum)
  Clearly this kind of usage is not going to sit well with a fairly highly-tuned car that?s already done a lot of miles. Also there?s the fuel economy issue - I have averaged 28mpg since starting the new job - not bad for a 200bhp car, and I get a very good rate for mileage, but I can?t help thinking that I would be substantially better off with a more economical car.
• Citroen Berlingo Multispace - Dad-to-be swapping small van for a LAV - which one 20 Mar 2017 (Forum)
  Also, all LAVs I'm looking at has sliding doors so it'll be really easy to get the baby/kids in/out. I'd like to keep it for as long as I can. Despite driving diesels for a long time, I've become quite turned off modern common rail diesels as I feel they're less reliable with expensive consumables - DPF, DMF and the fragile injection system. I also am keen on converting the next vehicle to dual fuel (to petrol & LPG/propane) to save on running costs & improve emissions.
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  What is the long term life of EV batteries? 1 Oct 2019 (Ask HJ)
  I am selling my Audi A4 Allroad 3.0 TDI and am trying to decide upon either a hybrid or EV. Is there any data available on the rate of decline in performance...
• Toyota Auris 2.0 D-4D - Persistent engine problems -garage cannot trace it 21 May 2015 (Forum)
  I have power loss problems and poor fuel consumption.   Initially, on cold mornings starting was difficult - as if the heater plugs were dead.  Once started it seemed to run quite well.  Consumption soon dropped from 50mpg to 46mpg.
• Day trip to Germany - Random Ramblings 9 Jul 2009 (Forum)
  I think the engine can be made to keep running when parked by putting the handbrake on!? The car was an odd spec. Heated seats but with fabric not leather, only speedo, RPM and fuel gauges, no temp gauge. Steel wheels with Korean Hankook tyres, surely they aren't original eqipment on any BMW? Traction control and a very nice diesel engine (Turbo?) The 6 speed gearbox was awful, very baulky and hard to engage gears when moving.
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  Why does my DPF warning light keep coming on? 10 Feb 2025 (Ask HJ)
  I have a 2012 Honda CR-V and the Diesel Particulate Filter Warning Light keeps coming on. I get it recharged and it has had the ERG valve replaced recently....
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  If an electric car runs out of power in a traffic jam, how can it be moved? 25 Jun 2021 (Ask HJ)
  I have a couple of questions about electric vehicles. There are known issues associated with Sub Stations and strong EMF from devices. How safe is it to...
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  What car should I buy for my 30,000 mile a year commute? 27 Jan 2017 (Ask HJ)
  I recently changed jobs and will now be required to commute 30,000 miles per year, compared to previously 7000 miles. I have a 2015 Ford Focus which I...
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  Dealer Liability over Holed Air con Condenser - where do I stand? 11 Jan 2013 (Ask HJ)
  I just bought a 3-year-old Renault Modus diesel QS5 with 16,800 miles for £7995, which the independent dealer claimed was in perfect condition. The fuel...
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  Buying a family car - what do you recommend? 9 Jun 2012 (Ask HJ)
  I want to replace my 2007 (07) Corsa 1.4 Design with about 46,000 miles on the clock. It's been OK, but is a bit unrefined and gutless, and numerous parts...
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  BMW 320d E46 engine 'flutter' 1 Nov 2011 (Ask HJ)
  My 2005 E46 320d ES has a frustrating flutter/slight hesitation between approx 1700 and 2200 or 2300 RPM - noticeable at about 30mph in 3rd or at around...
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  Is it possible to get figures which show the environmental impact of a vehicle over its whole life? 20 Nov 2010 (Ask HJ)
  Much is made of the low carbon dioxide emission needed to meet various targets and the drive towards zero emission objectives through all electric vehicles,...
• Citroen C4 Picasso 7-st (2007 - ) - - 10 day hire car review 12 Jun 2008 (Forum)
  Didn't want baby seat in back so was only my 5 year old in the 'boot' but was easier for her to climb in through the boot. On drive home electronic fuel guage was infuriating. Was a take away full and return empty deal, and was hard to guage how much fuel was left. Put 2 lots of EUR 5 diesel in, but didnt register on kms left or guage flashing away- but made it back with 45 kms to empty showing.
• Used cars of the year 13 Oct 2019 (Forum)
  It’ll do 40mpg on a run and has plenty of power too. The 2.0 diesel is a worthy, but as with all modern diesels there’s plenty to go wrong as it ages but it is one of the better ones. I would’ve chose the Mazda 6 2.0 Skyactiv but you’d need £1,000 more to open up that option other than high mileage examples or cars with missing histories etc.
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  Can you help me prepare for a court case regarding my purchase of a faulty Ford Focus? 6 Sep 2010 (Ask HJ)
  I am about to go to Small Claims Court on the 21 September and I am terrified. I feel there is a claim to be heard. It started last August when I purchased...
• 2yrs on from buying a 9yr old dpf-equipped diesel 10 Sep 2019 (Forum)
  Economically - use the engine torque (decent) to get up to speed and make sure it gets a healthy dose of sustained 2000-2500rpm for you know what. 6th gear at 70mph pulls 2200rpm. What do I feed it? Shell V-Power diesel 95% of time, unless there's a reason I cant get hold of it (unlikely)MPG - I'm getting 39-41mpg very consistently, as it's official fuel consumption claims. Mileage as of 0900 9th Sep 2019 - 110852 So....what has it cost thus far?
• Skoda Yeti 140 ks 4x4 or Honda CR-V 2.0 150 ks? 24 Nov 2011 (Forum)
  There is acceleration of about 10 sec (per specification) from 0-100 km/h, but It's not that bad, but still different to diesels we tried..There is missing the acceleration beween 80-150 km/h. The perfect would be diesel engine here, but it's so much more expensive here. Becouse of low torque i had to drive a bit more nervous (there is a peak of torque in one rpm area, so it's dont have smooth driving of torque of diesels in greater rpm range), and trying to have right gear and right rpm.