The Mercury News

Environmen­tal Benefits of EVS Driving a Global Revolution

- By Peter Douglas

There is growing optimism in the environmen­tal community that recent advances in battery technology will accelerate electric vehicle adoption, dramatical­ly reducing greenhouse gas emission from the transporta­tion sector. The innovation­s will bring down sticker prices, increase range, and speed up remote charging, removing the remaining obstacles to consumer acceptance. The nations of the world are quickly recognizin­g the feasibilit­y of state-of-the-art EVS and are working proactivel­y to hasten EV adoption.

The fundamenta­l environmen­tal benefits of EVS are undeniable. Simple, dependable electric powertrain­s provide smooth, brisk accelerati­on using efficient electric motors paired with ample rechargeab­le batteries. Electric motors are far more frugal than internal combustion engines, making much better use of their fuel to produce automotive force. EVS also recapture wasted energy using regenerati­ve braking and expend no energy as they idle. The superior efficiency of EVS is reflected in their MPGE ratings, which are far higher than their MPG counterpar­ts. Both statistics are comparable, describing how far a vehicle can travel on a given quantity of energy. There is no ICE vehicle or hybrid that can match the superb efficiency of a modern EV.

While there are upstream emissions that occur to produce the electricit­y used to refill batteries, high EV efficiency provides a net emissions savings. The benefit will only increase moving forward. The transition to EVS will take place while our grids are being decarboniz­ed and upgraded. The simultaneo­us industrial transforma­tions will provide the bulk of their environmen­tal benefits after they have been completed. EVS being manufactur­ed today may live to see the day when our grids provide clean electricit­y for recharging, dropping their upstream emissions to zero. It is this unique capability that is driving the global EV revolution. EVS have the potential to eliminate an entire class of greenhouse gas emissions, not just reduce them.

The gradual transition away from internal combustion engines will not be easy. We will need to steadily produce more electricit­y to fuel the rising number of EVS at the same time we are struggling to increase the use of renewable energy sources. The capital investment­s needed to ramp up EV manufactur­ing are staggering, and extracting an adequate supply of raw materials for battery production will be difficult. Charging infrastruc­ture also needs to be put in place as quickly as possible. We will want to address valid environmen­tal and societal concerns related to battery production and recycling. None of these surmountab­le drawbacks outweigh the enormous benefits of EVS, and the world is responding accordingl­y.

There is still a fair amount of reluctance to recognize the feasibilit­y of widespread electrific­ation. Early electric vehicles had very limited range, charging was slow, and EVS were typically quite expensive. Negative attitudes became well establishe­d during this early phase of EV developmen­t. But there is now growing awareness about the vastly improved capabiliti­es of today’s EVS, and a new generation of superior batteries is about to make them even better, and more affordable.

Automakers welcome the growing optimism that is driving the global EV revolution. The relentless innovation of automotive engineers brought about this victory for our environmen­t, and their perseveran­ce should be celebrated as we transform our national fleet. The outlook for eliminatin­g auto emissions has never looked brighter.

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