Shopify products by type in a collection

gistfile1.html

{% assign collection = collections.future-empire %}
<h1>Products</h1>
{% for product_type in collection.all_types %}
	<section class="group">
		<h2>{{ product_type }}</h2>
		{% for product in collection.products %}
			{% if product.type == product_type | handleize %}			
				<a href="{{ product.url }}" title="{{ product.title }}">
					<figure>
						<img src="{{ product.featured_image | product_img_url: 'medium' }}" alt="{{ product.title }}">
						<figcaption>{{ product.price | money | remove: ' ' | remove: '.00' }}</figcaption>
					</figure>
				</a>
			{% endif %}
		{% endfor %}
	</section>
{% endfor %}