TradeCert: CDL & EPA 608 Prep

Pass your CDL or EPA Section 608 exam with practice that actually teaches you — not just answer keys.

TradeCert is built for people who study in the real world: in the cab, in the yard, in a mechanical room with no signal. All 34,931 practice questions ship inside the app, so everything works with airplane mode on. No account, no sign-up, no internet required.

EXAMS COVERED — 13 CATEGORIES

CDL (Commercial Driver's License):
• General Knowledge — 7,383 questions
• Air Brakes — 2,862
• Combination Vehicles — 2,816
• Pre-Trip Inspection — 2,787
• Hazardous Materials (H) — 2,801
• Tank Vehicles (N) — 2,001
• Doubles & Triples (T) — 2,009
• Passenger (P) — 2,023
• School Bus (S) — 2,014

EPA Section 608 (refrigerant handling):
• Core — 2,094
• Type I, small appliances — 2,213
• Type II, high-pressure — 2,135
• Type III, low-pressure — 1,793

WHY DRIVERS AND TECHS CHOOSE TRADECERT

✓ NEW — Your Study Path. CDL and EPA 608 categories as track cards along a road, with a warm-up, checkpoints and daily quests — always see where you are and what comes next.

✓ Every answer explained. Each question tells you WHY the answer is right, citing the rule or the number behind it — so you learn the material instead of memorising letters.

✓ Study notes for every category. Compact, exam-focused notes written against the current manuals and regulations — read them, then drill them.

✓ Review your mistakes. Every wrong answer joins a personal deck; answer it right later and it disappears. Empty the deck and you have fixed every weak spot.

✓ Flashcards and hands-free decks. Flip through key facts, or let the app read questions aloud while your hands are busy.

✓ Leaderboards and prizes. The one online extra, and it is optional: compete weekly and monthly, or make a private group for your class or fleet. Top drivers win Premium free.

✓ Know when you are ready. Each category shows Exam Ready, Almost There or Keep Practicing based on how you actually score.

✓ Exam-day plan. Set your test date and get a daily plan that ramps up as the day approaches.

✓ Daily streaks and challenges. Ten questions a day builds a streak — with streak freezes and a challenge calendar to keep it alive.

✓ Timed mock exams. 25 questions, 30 minutes, drawn from the exam you pick. Submit early, see your score, review every miss.

✓ Easy, Medium and Hard levels. Start gentle, finish exam-ready.

✓ Pick up where you left off. Progress is saved on your device — and a recovery code keeps your leaderboard name safe if you switch phones.

HONEST FREE VERSION

40% of every category is free, forever — 13,967 questions across all 13 categories before you are ever asked to pay. One single purchase unlocks the full bank of 34,931 questions and removes all ads permanently. No subscription. It restores automatically on any device signed in to your Google account.

WRITTEN AGAINST THE REAL SOURCES

Questions are original practice material written against current federal source material — the FMCSA CDL manual, 49 CFR for hazardous materials, and 40 CFR Part 82 for refrigerant handling. Numeric thresholds are checked against the regulation text. Nothing is copied from any official exam.

Found a question you think is wrong? Email support@anvillabs.app — we check every report.

TradeCert is an independent study aid published by Anvil Labs. It is not affiliated with, endorsed by, or sponsored by the FMCSA, the U.S. EPA, any state licensing agency, or any testing organization. A passing score in TradeCert does not guarantee a passing score on an official exam — always confirm current requirements with the issuing agency.

Download TradeCert and start studying in the next thirty seconds — no sign-up, no signal needed.