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Sources

• EPRA increases all fuel prices for October to November 2026 (opens in a new tab)

  Pulse Kenya, reporting the Energy and Petroleum Regulatory Authority (EPRA)

  published 2026-10-14, read 2026-10-22

  Maximum pump prices in Nairobi, 15 October to 14 November 2026: super petrol and diesel, VAT included.

• Characteristics of the in-service vehicle fleet in Kenya (opens in a new tab)

  GIZ (Advancing Transport Climate Strategies) with the University of Nairobi

  published 2018 (survey at fuel stations, December 2017), read 2026-10-22

  Kilometres a year and kilometres per litre for cars, motorcycles and light commercial vehicles; kilometres a year for heavy trucks.

• Biannual report, January to June 2025 (opens in a new tab)

  Northern Corridor Transit and Transport Coordination Authority (NCTTCA)

  published 2025, read 2026-10-22

  Route lengths in its table of median transit times: Mombasa to Malaba, Nairobi to Malaba and Malaba to Kampala.

• Transporters turn to tech to stop fuel theft (opens in a new tab)

  The Standard (Kenya)

  published about May 2026 (the page shows only that it is 5 months old), read 2026-10-22

  One 20-truck fleet: drivers claimed 420 litres for a Nairobi trip that needs 360 litres, a 17% gap, and fuel sensors saved KES 5,000 to 7,000 a trip.

  Supporting source: it backs the estimate and does not set it.

• Vehicle tracking: New tech push against fuel theft and fleet waste (opens in a new tab)

  Business Daily (Nation Media Group)

  published 2025-08-10, read 2026-10-22

  Fuel is as much as 30% of the costs of running a fleet, in the article's own words.

  Supporting source: it backs the estimate and does not set it.

• Study of the Impact of a Telematics System on Safe and Fuel-Efficient Driving in Trucks (FMCSA-13-020) (opens in a new tab)

  US Federal Motor Carrier Safety Administration, with KLS Engineering

  published 2014-04-01, read 2026-10-22

  A 10-month field test of 46 US trucks with feedback, coaching and rewards saved 5.4% (sleeper cabs) to 9.3% (day cabs) of fuel. A US study, so it supports the 5% and does not set it.

  Supporting source: it backs the estimate and does not set it.

• Next Generation Environmentally-Friendly Driving Feedback Systems Research and Development (opens in a new tab)

  University of California, Riverside, for the US Department of Energy (OSTI)

  published 2014-12-31, read 2026-10-22

  A driving feedback system on 45 vehicles in three US fleets gave a fleet-average fuel gain of 2% to 9%. A US study, so it supports the 5% and does not set it.

  Supporting source: it backs the estimate and does not set it.

Every number, and how sure we are

Measured means read from a source. Worked out means we calculated it from sources. Assumed means it is our own estimate.

• Fuel saved by tracking

  5 % of fuel

  Assumed, medium confidence. The Standard, US Federal Motor Carrier Safety Administration, with KLS Engineering, University of California, Riverside, for the US Department of Energy

  A careful default, our estimate. It sits below the low end of two US studies (5.4% to 9.3%, and 2% to 9% across fleets) and well below the 17% gap one Kenyan fleet found. The studies are about trucks; the same 5% is used for cars and bikes.

• Super petrol pump price, Nairobi

  226.96 KES a litre

  Measured, high confidence. Pulse Kenya, reporting the Energy and Petroleum Regulatory Authority

  Maximum retail price, 15 October to 14 November 2026, VAT included. Prices outside Nairobi differ a little.

• Diesel pump price, Nairobi

  227.76 KES a litre

  Measured, high confidence. Pulse Kenya, reporting the Energy and Petroleum Regulatory Authority

  Maximum retail price, 15 October to 14 November 2026, VAT included. Prices outside Nairobi differ a little.

• Distance a passenger car drives

  22,671 km a year

  Measured, medium confidence. GIZ

  Average of all passenger cars in Kenya, from odometer readings at fuel stations (plus or minus 2,496 km at 95% confidence). A taxi drives more, so a taxi's saving is likely larger.

• Fuel use of a passenger car

  16.49 km per litre

  Worked out from a source, medium confidence. GIZ

  Worked out by the study from what drivers said they spent and drove in a month (plus or minus 1.9). Drivers' own answers, not metered fuel.

• Distance a motorcycle drives

  17,807 km a year

  Measured, medium confidence. GIZ

  Average of all motorcycles in Kenya, not only boda bodas (plus or minus 3,519 km). A boda boda that carries passengers all day likely drives more.

• Fuel use of a motorcycle

  26.51 km per litre

  Worked out from a source, medium confidence. GIZ

  Worked out by the study from drivers' answers (plus or minus 0.86).

• Distance a light commercial vehicle drives

  30,811 km a year

  Measured, medium confidence. GIZ

  Average of all light commercial vehicles in Kenya, which is vans and pick-ups (plus or minus 3,138 km).

• Fuel use of a light commercial vehicle

  15.2 km per litre

  Worked out from a source, low confidence. GIZ

  Worked out by the study from drivers' answers. The range is wide (plus or minus 4.75), so confidence is Low.

• Vans run on diesel

  Yes

  Assumed, low confidence. Our own estimate

  Our assumption: the study does not split light commercial vehicles by fuel. Choose petrol in the calculator if yours run on petrol.

• Vehicles in a small fleet

  10 vehicles

  Assumed, low confidence. Our own estimate

  An illustration, our assumption. The cost and the saving grow in step with the number of vehicles.

• Fuel use of a loaded heavy truck

  2.8 km per litre

  Assumed, low confidence. Our own estimate

  Our estimate. The same study reports 12.73 km per litre for heavy trucks, from drivers' answers; we judge that too high for a loaded long-haul truck, so we do not use it.

• Mombasa to Nairobi by road

  480 km

  Worked out from a source, medium confidence. Northern Corridor Transit and Transport Coordination Authority

  The report's Mombasa to Malaba (933 km) less its Nairobi to Malaba (452 km) is 481 km, rounded to 480. Both run through Nairobi.

• Mombasa to Kampala by road

  1,170 km

  Worked out from a source, medium confidence. Northern Corridor Transit and Transport Coordination Authority

  The report's Mombasa to Malaba (933 km) plus its Malaba to Kampala (236 km) is 1,169 km, rounded to 1,170.

• Return trips a month, Mombasa to Nairobi

  5 return trips

  Assumed, low confidence. Our own estimate

  Our assumption: a day each way, with loading and waiting. 5 return trips is 57,600 km a year, a little under the 63,205 km the survey found for heavy trucks.

• Return trips a month, Mombasa to Kampala

  2 return trips

  Assumed, low confidence. Our own estimate

  Our assumption: the report's median is 114 hours one way from Mombasa to Kampala, stops included (70 to Malaba and 44 on), so a return trip takes about two weeks. 2 return trips is 56,160 km a year, a little under the survey's 63,205 km for heavy trucks.

• Distance a heavy truck drives

  63,205 km a year

  Measured, medium confidence. GIZ

  Average of all heavy goods vehicles in Kenya (plus or minus 6,204 km). Used here only to check the return trips a month, not as an input.

• Fuel claimed above what a trip needs

  17 % (420 against 360 litres)

  Measured, low confidence. The Standard

  One 20-truck fleet's manager, as quoted by a newspaper. One fleet, one claim. Not used as an input: it shows that 5% is careful.

• Saved a trip by fuel sensors

  6,000 KES a Nairobi trip (5,000 to 7,000)

  Measured, low confidence. The Standard

  The same fleet manager's range, middle shown. Not used as an input.

• Fuel's share of fleet costs

  30 % at most

  Measured, low confidence. Business Daily

  The article says fuel accounts for as much as 30% of management costs. Context only; not used as an input.