🔥 DIESEL → INFLATION CASCADE TRACKER

THAILAND · REAL-TIME COST-PUSH INFLATION MONITOR · APR 2026
⏱ LAST UPDATED: Apr 18, 2026 · 08:42 BKK  ·  NEXT: 06:30 BKK DAILY
Diesel is the lifeblood of the Thai economy — farming, fishing, trucking, manufacturing all run on it. When diesel price surges +67% from ฿30.13 to ฿50.54/L, the cost increase cascades through every layer of the economy into consumer prices. This tracker maps the chain from crude oil → diesel → transport → goods → your wallet.
DIESEL B7 — CURRENT
฿33.83
PER LITRE · Apr 18, 2026
▲ +฿3.7 vs pre-war (+12.3%)
Highest level on record
8 price adjustments since Feb 28
PRE-WAR DIESEL (FEB 27)
฿30.13
PER LITRE · Before Iran War
Subsidized by Oil Fund
Oil Fund subsidized ฿0.74/L
Fund was near balance
OIL FUND STATUS
-฿28B
DEFICIT · Oil Fund Balance
Still subsidizing ฿11.88/L
Without subsidy: diesel = ฿45.71/L
Fund burning ~฿80B/month

⛽ OFFICIAL RETAIL PRICES — PTT / BANGCHAK

Live pump prices. Thai Oil Fund regulates retail prices — PTT, Bangchak, Shell, Esso all post identical ±฿0.20. Source: Bangchak official API.
🟢 LIVE · FETCHED Apr 18, 2026 · 08:42 BKK
Price effective: Are effective on 17 April 2026 from 05:00 AM
Bangkok retail (excl. provincial tax)
Gasohol 95
Bangchak · PTT: Gasohol 95
🟡
฿42.45
per litre · yesterday ฿42.95
▶ ฿0.00 vs yesterday
Gasohol 91
Bangchak · PTT: Gasohol 91
🟢
฿42.08
per litre · yesterday ฿42.58
▶ ฿0.00 vs yesterday
Gasohol E20
Bangchak · PTT: Gasohol E20
🔵
฿35.45
per litre · yesterday ฿35.95
▶ ฿0.00 vs yesterday
Gasohol E85
Bangchak · PTT: Gasohol E85
🟣
฿31.39
per litre · yesterday ฿31.89
▶ ฿0.00 vs yesterday
Benzin 95 Premium
Bangchak · PTT: Super Power 95
🔴
฿56.04
per litre · yesterday ฿56.54
▶ ฿0.00 vs yesterday
Diesel B7
Bangchak · PTT: Diesel B7
⛽
฿42.90
per litre · yesterday ฿44.40
▶ ฿0.00 vs yesterday
Diesel B20
Bangchak · PTT: Diesel B20
🚛
฿35.90
per litre · yesterday ฿37.40
▶ ฿0.00 vs yesterday
Premium Diesel
Bangchak · PTT: PTT Ultra Force
🔷
฿65.30
per litre · yesterday ฿66.80
▶ ฿0.00 vs yesterday

⛽ THAILAND FUEL GRID — ALL GRADES

Model: prewar + (WTI − $73) × slope · EPPO/PTT calibrated
Estimated pump prices across all 10 Thai fuel grades at WTI $84.00. Diesel is subsidized (฿11.88/L from Oil Fund); gasolines are fully unsubsidized. NGV/LPG are state-regulated.
Diesel B7 ⛽
฿33.83
฿/L · pre-war ฿30.13
▲ +฿3.70 (+12.3%)
Main road diesel — subsidized
Diesel B20 🚛
฿37.44
฿/L · pre-war ฿28.64
▲ +฿8.80 (+30.7%)
Heavy vehicles — extra subsidy
Premium Diesel 🔷
฿45.16
฿/L · pre-war ฿37.46
▲ +฿7.70 (+20.6%)
PTT Blue / Shell V-Power
Gasohol 91 🟢
฿46.90
฿/L · pre-war ฿36.78
▲ +฿10.12 (+27.5%)
Most common petrol blend
Gasohol 95 🟡
฿47.21
฿/L · pre-war ฿36.98
▲ +฿10.23 (+27.7%)
E10 — 10% ethanol
Gasohol E20 🔵
฿42.82
฿/L · pre-war ฿34.24
▲ +฿8.58 (+25.1%)
20% ethanol — mid-grade
Gasohol E85 🟣
฿33.29
฿/L · pre-war ฿28.34
▲ +฿4.95 (+17.5%)
85% ethanol — flex-fuel
Benzin 95 🔴
฿55.84
฿/L · pre-war ฿45.94
▲ +฿9.90 (+21.5%)
Pure premium gasoline
NGV 🌿
฿18.05
฿/kg · pre-war ฿17.50
▶ +฿0.55 (+3.1%)
Natural gas — regulated
LPG 🔥
฿22.52
฿/kg · pre-war ฿22.30
▶ +฿0.22 (+1.0%)
Cooking / taxi — regulated
⛓ INFLATION CASCADE — HOW DIESEL FLOWS INTO EVERYTHING
🛢️
CRUDE OIL
$84
WTI/bbl
Hormuz blocked
→
⛽
DIESEL PUMP
฿33.83
+12.3% vs Feb
Record high
→
🚛
TRANSPORT
+4–6%
Road freight
Fuel = 30–40% cost
→
🏭
PRODUCTION
+3–8%
Plastics +40%
Fertilizer crisis
→
🛒
CONSUMER
+0.74%
CPI inflation
Thai Chamber est.
📊 TOP 10 SECTORS IMPACTED — Thai Chamber of Commerce Analysis
Sector Why Diesel Matters Cost Impact Severity Status
🚛 Road TransportationFuel = 35–40% of operating cost; every route affected+20–30%
CONFIRMED
🐟 Fishing FleetDiesel boats; 40–50% of trip cost is fuel+25–35%
CONFIRMED
🌾 Agriculture/FarmingTractors, pumps, transport to market all diesel+15–25%
CONFIRMED
🍜 Food & Prepared MealsLPG cooking + transport + ingredients all up+8–15%
EXPECTED APR
📦 Plastics & PackagingNaphtha feedstock shortage; PET +40%+30–40%
SHORTAGE
🧱 Construction & CementKiln fuel, heavy equipment, material transport+10–18%
EXPECTED
🧪 Chemicals & FertilizerGas-based production; import-dependent+20–30%
SHORTAGE RISK
⚡ Electricity / FT60% of Thai power from natural gas; FT rising+12–20%
MAY-AUG FT
🛍 Retail & Consumer GoodsPackaging + transport + consumer pullback+5–12%
APR LETTERS
✈️ Tourism & AirlinesJet fuel surge; fewer arrivals; higher airfare+15–25%
FLIGHTS CUT
🏷️ REAL PRODUCT PRICE INCREASES — Confirmed & Expected
Street Food Plate
Avg vendor · Bangkok
฿50฿60
▲ +20%
Mama Instant Noodles
Thai President Foods · Controlled
฿6฿6*
HELD — Govt controlled
Bangkok Taxi Flag
DLT · Meter fare
฿35฿40
▲ +14% requested
Chang Beer (490ml)
Thai Beverage Plc
฿569/ctn฿589/ctn
▲ +฿20/carton
Eggs (30 pack)
Market price · Est.
฿120฿135
▲ +12.4% (TPSO model)
PET Bottles (packaging)
Industry input cost
100%140%
▲ +40% raw material
Electricity (FT)
EGAT · May-Aug forecast
฿3.78/u฿4.00+/u
▲ +6% minimum
Fast Food Meals
TPSO $100/bbl scenario
100%110%
▲ +10% est.
📢 SOCIAL SIGNALS — What People Are Saying
📈 TOTAL INFLATION IMPACT — From Deflation to Cost-Push Inflation
-0.88%
Feb 2026 CPI
11 months deflation
-1%0%1%2%3%4.56%6%
0.74%
Thai Chamber est.
FTI warns 5–6%
🏷️ CATEGORY ROC — HOW EACH SECTOR HAS MOVED SINCE FEB 27
⛽ Energy & Fuel
+42–68%
Diesel B7฿30.13 → ฿50.54 (+67.7%)
Gasohol 95฿28.55 → ฿41.95 (+46.9%)
Gasohol 91฿28.18 → ฿41.58 (+47.6%)
E20฿25.34 → ฿36.75 (+45.0%)
LPG Cooking GasEst. +15–20%
Electricity FT (May)฿3.78 → ฿4.00+ (+6%)
🚛 Transport & Logistics
+20–35%
Road freight (per trip)+20–30%
Fishing boat fuel/trip+35–50%
Farm equipment fuel+25–40%
Taxi fare (requested)฿35 → ฿40 (+14%)
Domestic flights+15–25% (fuel surcharge)
Grab/delivery feeEst. +10–15%
🍜 Food & Essentials
+5–20%
Street food plate฿50 → ฿60 (+20%)
Eggs (30 pack)฿120 → ฿135 (+12.4%)
Fresh fish (coastal)+15–25% (fewer boats)
Rice (jasmine 5kg)~฿185 (stable so far)
Mama noodles฿6 (govt controlled)
Fast food mealsEst. +10% (TPSO model)
Chang Beer+฿20/carton (+3.5%)
🏭 Industry & Materials
+15–40%
PET plastic (packaging)+40% (naphtha crisis)
Plastic resin+30–40% (supply 50%)
Chemical fertilizer+20–30% (shortage risk)
Marine insurance+400–600% (war risk)
Shipping (Cape route)+30–50% (+10–15 days)
Paint/coatings (TOA)Orders suspended
👟 SFG BUSINESS IMPACT — What This Means For Star Fashion Group
Sources: Thai Chamber of Commerce / UTCC (Apr 2) · Federation of Thai Industries (FTI) · Nation Thailand · Bangkok Post · Thairath · EPPO · Bloomberg
Thai Commerce Ministry TPSO oil scenario modeling · Khaosod English · Hey Thailand News · SO OK Trading · BOT Monetary Policy Report
Diesel price history: PTT/Bangchak official rates. CPI data: TradingEconomics / Ministry of Commerce. Social: X.com / Pantip / Thai media.
Dashboard by VT · Apr 18, 2026 · Say "refresh dashboard" to update