Electric vehicles have higher powertrain efficiency than internal combustion engine (ICE) vehicles. Why is this considered controversial?

EV motors have fewer energy conversion steps compared to ICEs.

EVs only appear efficient due to subsidies.

Transmission losses in EVs are ignored in calculations.

Efficiency data for EVs varies widely across manufacturers.

Which is a significant challenge for thermal management in EVs compared to ICE vehicles?

Cooling high-capacity battery packs under dynamic loads.

Maintaining high engine temperatures for combustion.

Preventing excessive heat generation in the exhaust system.

Lubricating moving parts of the drivetrain efficiently.

What is a controversial issue associated with electric motors in EVs?

Dependency on rare-earth elements like neodymium.

Use of fossil fuels in motor production.

Lack of alternatives to steel in the motor core.

Difficulty in recycling motor casings.

Why is regenerative braking considered a contentious topic in EV design?

Its efficiency heavily depends on driver behavior.

It puts excessive stress on battery chemistry.

It is less effective in hybrid vehicles compared to pure EVs.

Why is the recycling of lithium-ion batteries in EVs controversial?

It is expensive and energy-intensive.

Recycling processes generate more emissions than mining.

EV manufacturers often oppose recycling due to cost.

It damages the warranty of existing EVs.

The heavier weight of EVs due to battery packs is often criticized because:

It increases wear and tear on roads.

It results in lower safety ratings.

It negates fuel efficiency benefits in urban settings.

It makes EVs less competitive in acceleration.

Critics often argue EVs are not truly “clean” because:

Most electricity comes from non-renewable sources.

Battery production generates zero emissions.

They have a shorter lifespan than ICE vehicles.

Charging them increases urban air pollution.

What regulation has sparked controversy among EV manufacturers?

Mandating sound-emitting devices for silent EVs.

Restricting EV weight to reduce road damage.

Imposing a universal standard for battery swapping.

Banning specific colors due to thermal absorption.

What is a key debate between hydrogen fuel-cell EVs and battery EVs?

Battery EVs can never match the refueling speed of hydrogen vehicles.

Hydrogen vehicles are significantly more expensive to maintain.

Hydrogen production relies on green energy exclusively.

Hydrogen vehicles have a longer lifespan than battery EVs.

GARUDA_ICE_BREAKING_SESSION

Authored by P Koti Darshan

Professional Development

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