Citroen Emissions Fuel Economy 
Green Car Congress
FEBRUARY 28, 2012
Both solutions enable stop-start functionality and can help reduce the fuel consumption of a traditional internal combustion engine by 2-3% during the standard driving cycle and by up to 15% in congested urban traffic. Allowing the engine to stop before the vehicle does, maximizes the fuel economy benefits of a vehicle coasting to a stop.
Green Car Congress
SEPTEMBER 6, 2017
Groupe PSA, clean transportation NGO Transport & Environment (T&E); France Nature Environnement (FNE); and Bureau Veritas have collaborated to develop an accurate real-world fuel consumption test protocol. Unlike most other fuel economy measurements, these tests are performed on the road using a Portable Emissions Monitoring System (PEMS).
Green Car Congress
JULY 31, 2013
Start-stop systems shut off engines while the vehicle is at rest and restart it instantly and automatically upon re-engaging the gas pedal and are one of the most cost-effective and efficient means of optimizing fuel economy. Lead-acid batteries, the most common battery choice, are low-cost, easily available and relatively safe.
Green Cars News
OCTOBER 15, 2012
Citroen’s first hybrid model, the DS5 HYbrid4 has been named ‘Best Eco Car’ at the Scottish Car of the Year awards 2012. With emissions as low as 99g/km CO2 and fuel economy as strong as 74.3mpg, the DS5 HYbrid4 is the first car in the Citroen range to make use of the diesel hybrid technology [.].
Green Cars News
OCTOBER 26, 2012
Citroen’s Berlingo Airdream just got dreamier (or something like that) slashing its emissions and improving fuel economy by up to 4.5
Green Car Reports
JULY 7, 2016
PSA Peugeot Citroën has become the first carmaker to admit that its published fuel-economy ratings simply do not match up with reality. The announcement comes in the wake of increased global scrutiny of automakers' fuel-economy testing procedures in response to the Volkswagen diesel emissions scandal.
Green Cars News
DECEMBER 11, 2012
Citroen’s new family of turbo-boosted petrol engines have helped the cut greenhouse gas emissions by roughly 25 per cent. Each of the new PureTech engines offers equivalent or superior power compared to the previous generation of engines, despite offering significant improvements in fuel economy and reduced CO2 emissions.
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